六年级数学计算题100题 六年级上册数学计算题100道

\u5c0f\u5b66\u516d\u5e74\u7ea7\u6570\u5b66\u8ba1\u7b97\u9898100\u9053\u8981\u6709\u7b54\u6848\u7684

1. \u7532\u8239\u8f7d\u6cb9595\u5428\uff0c\u4e59\u8239\u8f7d\u6cb9225\u5428\uff0c\u8981\u4f7f\u7532\u8239\u7684\u8f7d\u6cb9\u91cf\u4e3a\u4e59\u8239\u76844\u500d\uff0c\u5fc5\u987b\u4ece\u4e59\u8239\u62bd\u591a\u5c11\u5428\u6cb9\u7ed9\u7532\u8239\uff1f \u8bbe\u4ece\u4e59\u8239\u62bd\u51fax\u5428\u6cb9\uff0c\u5219 595\uff0bx=\uff08225-x\uff09\u00d74 595\uff0bx=900-4x 4x+x=900-595 5x=305 x=61 \u7b54\uff1a\u5fc5\u987b\u4ece\u4e59\u8239\u62bd\u51fa61\u5428\u6cb9\u7ed9\u7532\u8239\uff0e 2. \u7532\u3001\u4e59\u4e24\u4eba\u9a91\u81ea\u884c\u8f66\u540c\u65f6\u4ece\u897f\u9547\u51fa\u53d1\u53bb\u4e1c\u9547\uff0c\u7532\u6bcf\u5c0f\u65f6\u884c15\u5343\u7c73\uff0c\u4e59\u6bcf\u5c0f\u65f6\u884c10\u5343\u7c73\uff0e\u7532\u884c30\u5206\u949f\u540e\uff0c\u56e0\u4e8b\u7528\u539f\u901f\u8fd4\u56de\u897f\u9547\uff0c\u5728\u897f\u9547\u803d\u6401\u4e86\u534a\u5c0f\u65f6\uff0c\u53c8\u4ee5\u539f\u901f\u53bb\u4e1c\u9547\uff0c\u7ed3\u679c\u6bd4\u4e59\u665a\u523030\u5206\u949f\uff0c\u8bd5\u6c42\u4e24\u9547\u95f4\u7684\u8ddd\u79bb\uff0e \u89e3\uff1a\u8bbe\u7532\u7b2c\u4e8c\u6b21\u4ece\u897f\u9547\u51fa\u53d1\u5230\u4e1c\u9547\u6240\u7528\u7684\u65f6\u95f4\u4e3ax\u5c0f\u65f6\uff0c\u5219 15x=10\u00d7\uff080.5\u00d73\uff09\uff0b10\uff08x-0.5\uff09 15x=15\uff0b10x\uff0d5 15x-10x=15-5 5x=10 x=2 \u4ee3\u516515x=15\u00d72=30 \u7b54\uff1a\u4e1c\u897f\u4e24\u9547\u7684\u8ddd\u79bb\u662f30\u5343\u7c73\uff0e 3. \u54e5\u54e5\u73b0\u5728\u7684\u5e74\u9f84\u662f\u5f1f\u5f1f\u5f53\u5e74\u5e74\u9f84\u76843\u500d\uff0c\u54e5\u54e5\u5f53\u5e74\u7684\u5e74\u9f84\u4e0e\u5f1f\u5f1f\u73b0\u5728\u7684\u5e74\u9f84\u76f8\u540c\uff0c\u54e5\u54e5\u4e0e\u5f1f\u5f1f\u73b0\u5728\u7684\u5e74\u9f84\u548c\u4e3a30\u5c81\uff0c\u95ee\u54e5\u54e5\u3001\u5f1f\u5f1f\u73b0\u5728\u591a\u5c11\u5c81\uff1f \u89e3\uff1a\u8bbe\u54e5\u54e5\u73b0\u5728\u7684\u5e74\u9f84\u4e3ax\uff0c\u5219 \u65b9\u7a0b\u4e24\u8fb9\u540c\u4e58\u4ee53\uff0c\u5f97 6x-90=90-3x-x 6x+4x=90\uff0b90 10x=180 x=18 \u4ee3\u516530-x=30-18=12 \u7b54\uff1a\u54e5\u54e5\u73b0\u5728\u7684\u5e74\u9f84\u662f18\u5c81\uff0c\u5f1f\u5f1f\u73b0\u5728\u7684\u5e74\u9f84\u662f12\u5c81\uff0e 4. \u5c0f\u7ea2\u3001\u5c0f\u4e3d\u3001\u5c0f\u5f3a\u4e09\u4f4d\u540c\u5b66\uff0c\u5404\u7528\u540c\u6837\u591a\u7684\u94b1\u4e70\u4e86\u4e00\u4e9b\u7ec3\u4e60\u672c\uff0e\u5c0f\u7ea2\u4e70\u7684\u6bcf\u672c\u662f0.6\u5143\uff0c\u6bd4\u5c0f\u5f3a\u5c112\u672c\uff0c\u5c0f\u4e3d\u4e70\u7684\u6bcf\u672c\u662f0.4\u5143\uff0c\u6bd4\u5c0f\u5f3a\u591a3\u672c\uff0c\u95ee\u5c0f\u5f3a\u4e70\u4e86\u591a\u5c11\u4e2a\u7ec3\u4e60\u672c\uff1f\u6bcf\u672c\u7684\u4ef7\u683c\u662f\u591a\u5c11\uff1f \u89e3\uff1a\u8bbe\u5c0f\u5f3a\u4e70\u4e86x\u4e2a\u7ec3\u4e60\u672c\uff0c\u5219 0.6\u00d7\uff08x-2\uff09=0.4\u00d7\uff08x\uff0b3\uff09 0.6x-1.2=0.4x\uff0b1.2 0.6x-0.4x=1.2+1.2 0.2x=2.4 x=12 \u4ee3\u51650.6\u00d7\uff08x-2\uff09=0.6\u00d7\uff0812-2\uff09=6 6\u00f712=0.5 \u7b54\uff1a\u5c0f\u5f3a\u4e70\u4e8612\u4e2a\u7ec3\u4e60\u672c\uff0c\u6bcf\u672c\u4ef7\u683c0.5\u5143\uff0e 5. \u7cae\u5e93\u5185\u5b58\u6709\u5927\u7c73\u82e5\u5e72\u5305\uff0c\u7b2c\u4e00\u6b21\u8fd0\u51fa\u5e93\u5b58\u5927\u7c73\u7684\u4e00\u534a\u591a20\u5305\uff0c\u7b2c\u4e8c\u6b21\u8fd0\u51fa\u5269\u4e0b\u7684\u4e00\u534a\u5c1110\u5305\uff0c\u7b2c\u4e09\u6b21\u8fd0\u8fdb200\u5305\uff0c\u7cae\u5e93\u8fd8\u6709260\u5305\uff0c\u6c42\u7cae\u5e93\u539f\u6709\u5927\u7c73\u591a\u5c11\u5305\uff1f \u89e3\uff1a\u8bbe\u7cae\u5e93\u91cc\u539f\u6709\u5927\u7c73x\u5305\uff0c\u5219 x=240 \u7b54\uff1a\u7cae\u5e93\u539f\u6709\u5927\u7c73240\u5305\uff0e 6. \u674e\u94a2\u9a91\u81ea\u884c\u8f66\u4ece\u7532\u5730\u5230\u4e59\u5730\uff0c\u5148\u9a91\u4e00\u6bb5\u4e0a\u5761\u8def\uff0c\u518d\u9a91\u4e00\u6bb5\u5e73\u5766\u8def\uff0c\u4ed6\u5230\u4e59\u5730\u540e\uff0c\u5c31\u7acb\u5373\u8fd4\u56de\u7532\u5730\uff0c\u6765\u56de\u5171\u7528\u4e863\u5c0f\u65f6\uff0c\u674e\u94a2\u5728\u5e73\u5766\u8def\u4e0a\u6bd4\u4e0a\u5761\u8def\u6bcf\u5c0f\u65f6\u591a\u9a916\u5343\u7c73\uff0c\u4e0b\u5761\u8def\u6bd4\u5e73\u5766\u8def\u6bcf\u5c0f\u65f6\u591a\u9a913\u5343\u7c73\uff0e\u5df2\u77e5\u7b2c\u4e00\u5c0f\u65f6\u6bd4\u7b2c\u4e8c\u5c0f\u65f6\u5c11\u9a915\u5343\u7c73\uff08\u7b2c\u4e8c\u5c0f\u65f6\u9a91\u4e86\u4e00\u6bb5\u4e0a\u5761\u8def\uff0c\u4e00\u6bb5\u5e73\u5766\u8def\uff09\uff0c\u7b2c\u4e8c\u5c0f\u65f6\u6bd4\u7b2c\u4e09\u5c0f\u65f6\u5c11\u9a913\u5343\u7c73\uff0c\u90a3\u4e48\uff1a\uff081\uff09\u674e\u94a2\u4e0a\u5761\u8def\u4e0a\u7528\u4e86\u591a\u5c11\u5206\u949f\uff1f\uff082\uff09\u4e0b\u5761\u8def\u4e0a\u7528\u4e86\u591a\u5c11\u5206\u949f\uff1f\uff083\uff09\u7532\u4e59\u4e24\u5730\u7684\u8ddd\u79bb\u662f\u591a\u5c11\u5343\u7c73\uff1f \u89e3\uff1a\uff081\uff09\u56e0\u4e3a\u4e0a\u5761\u8def\u6bd4\u5e73\u5766\u8def\u6bcf\u5c0f\u65f6\u5c11\u9a916\u5343\u7c73\uff0c\u800c\u7b2c\u4e00\u5c0f\u65f6\u6bd4\u7b2c\u4e8c \u5c0f\u65f6\uff0c\u6240\u4ee5\u4e0a\u5761\u8def\u5171\u7528\u65f6\u95f4\uff1a \uff082\uff09\u8bbe\u7b2c\u4e09\u5c0f\u65f6\u8d70\u4e86x\u5c0f\u65f6\u5e73\u5766\u8def\uff0c\u5219\u4e0b\u5761\u8def\u8d70\u4e861\u2014x\u5c0f\u65f6\uff0c\u6240\u4ee5 6x\uff0b\uff086+3\uff09\uff081-x\uff09=8 6x\uff0b9\uff081-x\uff09=8 6x\uff0b9-9x=8 9-3x=8 3x=9-8 \u6240\u4ee5\u4e0b\u5761\u8def\u5171\u752860-20=40\uff08\u5206\u949f\uff09\uff0e \uff083\uff09\u8bbe\u4e0a\u5761\u8def\u6bcf\u5c0f\u65f6\u8d70x\u5343\u7c73\uff0c\u5219\u5e73\u5766\u8def\u6bcf\u5c0f\u65f6\u8d70x\uff0b6\u5343\u7c73\uff0c\u4e0b\u5761\u8def\u6bcf\u5c0f\u65f6\u8d70x\uff0b6+3\u5343\u7c73\uff0c\u4e8e\u662f\uff1a \u65b9\u7a0b\u4e24\u8fb9\u540c\u4e58\u4ee56\uff0c\u5219 7x=4\uff08x+9\uff09 7x=4x\uff0b36 3x=36 x=12\uff08\u5c0f\u65f6\uff09 \uff08\u5343\u7c73\u7b54\uff1a\u4e0a\u5761\u8def\u5171\u752870\u5206\u949f\uff0c\u4e0b\u5761\u8def\u5171\u752840\u5206\u949f\uff0c\u7532\u4e59\u4e24\u5730\u76f8\u8ddd24.5\u5343\u7c73\uff0e\uff09 595\uff0bx=\uff08225-x\uff09\u00d74 15x=10\u00d7\uff080.5\u00d73\uff09\uff0b10\uff08x-0.5\uff09 6x-90=90-3x-x 0.6\u00d7\uff08x-2\uff09=0.4\u00d7\uff08x\uff0b3\uff09 6x\uff0b\uff086+3\uff09\uff081-x\uff09=8 7x=4\uff08x+9\uff09 1/10=X/15 (9+x)/(30+x)=40% 11/9(x-1/4x)=(100-x+1/4x) X+5/4X+7/6X=615 \uff08x-20\uff09-\uff081245-x+20\uff09=5 x+82-\uff08896-x\uff09=128 x/\uff08x-0.7\uff09=1.25 x+2x-2+3x+2=96 3.7*70+185.2=x+(2.5+3.7)*60 14x=16+6x 106x+90+82x=1500 3x+9x+x=13 18-1.2\u03c7=6 20-0.15\u03c7=5 \u03a7+0.4\u03c7=28 \u03a7+0.2\u03c7=3.12 3\u03c7+5\u03c7=80 15\u03c7=60 0.4\u03c7=4.2 2\u03c7\u00f75=15 \u03a7 0.25\u03c7=0.375 3\uff08\u03c7+2\uff09=4\u00d7\uff08\u03c7+1\uff09 5\u03c7-7.5\u00d73=50 1260\u00f784+14\u03c7=295 \u03c7\u00f70.2=0.625 6\u03c7+9\u03c7=45 \u03a7+2\u03c7=12.6 5.2+0.4\u03c7=7.6 0.4\u03c7-2.8=7.6 \u03c7\u00f7(1-0.24)=1.15 0.375\u03c7+0.25\u03c7=105 0.5\u03c7+15=40 \u03c7-0.2 5\u03c7=18 \u03c7+0.3 \u03c7=130 12+\u03c7=25 4\u03c7-1.6\u03c7=36 \u03a7-0.6 \u03c7=3\u00d73 \u03c7\u00f74 8=1 8\u00d7\uff08\u03c7-1.5\uff09 \u03c7+0.6 =4.8 0.5\u03c7=6.3 0.375-5\u03c7=0.125 7.2\u03c7-2\u03c7=6.5 6.4-0.32\u03c7=0 6.2\u03c7-3\u03c7=6.4 2\u03c7+\u03c7=78 \u03a7+3\u03c7=180 2\u03c7+20=180 0.6\u03c7-2.4=18 0.8\u03c7+3=4.6 X\uff0b125=370 520\uff0bX=710 X\uff0d4.9=6.4 120\uff0dX=25 7.8\uff0bX=2.5 X\uff0b8.5=12 X\uff0b350=600 150\uff0bX=725 X\uff0d60=950 7.8\uff0bX=12.3 0.8\uff0bX=7.6 X\uff0d3.5=6.4 X+20%X=38 \u3002\uff0810+x)(500-20x)=6000 x/9+x/12)x8=x+200 (x/9+x/12)8=x+200 1\uff1a\u5e08\u5f92\u4e24\u4eba\u540c\u65f6\u52a0\u5de5\u4e00\u6279\u96f6\u4ef6\uff0c\u5b8c\u6210\u4efb\u52a1\u65f6\u5e08\u5085\u6bd4\u5f92\u5f1f\u591a\u52a0\u5de5\u96f6\u4ef630\u4e2a\u3002\u5df2\u77e5\u5355\u72ec\u52a0\u5de5\u8fd9\u6279\u96f6\u4ef6\uff0c\u5e08\u5085\u9700\u89816\u5c0f\u65f6\uff0c\u5f92\u5f1f\u9700\u898110\u5c0f\u65f6\u3002\u8fd9\u6279\u96f6\u4ef6\u6709\u591a\u5c11\u4e2a\uff1f \u8bbe\u603b\u91cfX,\u5e08\u5085\u4e00\u5c0f\u65f6\u5b8c\u6210\u603b\u91cf\u7684X/6,\u5f92\u5f1f\u4e00\u5c0f\u65f6\u5b8c\u6210\u603b\u91cf\u7684X/10,\u5e08\u5085\u6bd4\u5f92\u5f1f\u6bcf\u5c0f\u65f6\u591a\u5b8c\u62101/6-1/10=X/15 \u4e24\u4eba\u5408\u4f5c\u9700\u89811/(1/6+1/10)=15/4\u5c0f\u65f6 \u5219\u5e08\u5085\u5171\u6bd4\u5f92\u5f1f\u591a\u52a0\u5de5\u4e86\u603b\u91cf15/4*X/15=X/4 \u5219\u5217\u65b9\u7a0b\u5e94\u4e3a (x/6-x/10)/(1/6+1/10)=30 x/15/(4/15)=30 x=120 2\uff1a\u5357\u5c71\u5c0f\u5b66\u539f\u6709\u7bee\u7403\u548c\u6392\u7403\u517130\u4e2a\uff0c\u5176\u4e2d\u7bee\u7403\u4e0e\u6392\u7403\u7684\u4e2a\u6570\u6bd4\u662f7\uff1a3.\u540e\u6765\u53c8\u4e70\u8fdb\u51e0\u4e2a\u6392\u7403\uff0c\u8fd9\u662f\u62cd\u4f01\u9e45\u7684\u4e2a\u6570\u5360\u603b\u6570\u768440%\u3002\u95ee\u540e\u6765\u4e70\u8fdb\u51e0\u4e2a\u6392\u7403\uff1f \u539f\u6709\u7bee\u740330*7/(7+3)=21\u4e2a,\u539f\u6709\u6392\u740330-21=9\u4e2a,\u8bbe\u5e94\u4e70X\u4e2a\u6392\u7403 (9+x)/(30+x)=40% 9+x=12+0.4x 0.6x=3 x=5 3\uff1a\u7532\u3001\u4e59\u4e24\u4e2a\u5de5\u7a0b\u961f\u5171100\u4eba\uff0c\u5982\u679c\u7532\u961f\u4eba\u6570\u76844/1\uff08\u56db\u5206\u4e4b\u4e00\uff09\u8c03\u5165\u4e59\u961f\uff0c\u4e59\u961f\u7684\u4eba\u6570\u5c31\u6bd4\u7532\u961f\u7684\u4eba\u591a9/2\uff08\u4e5d\u5206\u4e4b\u4e8c\uff09\uff0c\u7532\u961f\u539f\u6709\u591a\u5c11\u4eba\uff1f \u8bbe\u7532\u539f\u6709X\u4eba,\u4e59\u539f\u6709100-X\u4eba, 11/9(x-1/4x)=(100-x+1/4x) 11x/12=100-3x/4 5x/3=100 x=60 4\uff1a\u80b2\u82f1\u5c0f\u5b66\u56db\u3001\u4e94\u3001\u516d\u5e74\u7ea7\u5171\u6709\u5b66\u751f615\u540d\uff0c\u5df2\u77e5\u516d\u5e74\u7ea7\u5b66\u751f\u4eba\u6570\u76842/1\uff08\u4e8c\u5206\u4e4b\u4e00\uff09\uff0c\u7b49\u4e8e\u4e94\u5e74\u7ea7\u5b66\u751f\u4eba\u6570\u76848/2\uff08\u4e94\u5206\u4e4b\u4e8c\uff09\uff0c\u7b49\u4e8e\u56db\u5e74\u7ea7\u4eba\u6570\u76847/3\uff08\u4e03\u5206\u4e4b\u4e09\uff09\u3002\u8fd9\u4e09\u4e2a\u5e74\u7ea7\u5404\u6709\u5b66\u751f\u591a\u5c11\u4eba\uff1f \u8bbe6\u5e74\u7ea7\u6709X\u4eba,\u52195\u5e74\u7ea7\u67095X/2/2=5/4X\u4eba, \u56db\u5e74\u7ea7\u67097X/3/2=7/6X\u4eba, X+5/4X+7/6X=615 41/12X=615 X=180 5\u5e74\u7ea7\u67095/4X=225\u4eba \u56db\u5e74\u7ea7\u67097/6X=210\u4eba 5\uff1a\u7532\u4e59\u4e24\u4e2a\u5b66\u6821\u5171\u6709\u5b66\u751f1245\u4eba\uff0c\u5982\u679c\u4ece\u7532\u8c0320\u4eba\u5230\u4e59\u6821\u540e\u7532\u6821\u8fd8\u6bd4\u4e59\u6821\u591a5\u4eba\uff0c\u4e24\u6821\u539f\u6765\u6709\u591a\u5c11\u4eba\uff1f \u8bbe\u7532\u539f\u6709x\u4eba\uff0c\u5219\u4e59\u539f\u67091245-x \uff08x-20\uff09-\uff081245-x+20\uff09=5 \u89e3\u5f97\uff1a x=645 \u4eba\uff1b\u5219\u4e59\u539f\u6709\uff1a1245-x=1245-645=600\u4eba\u3002 \u5373\u7532\u6709645\u4eba\uff0c\u4e59\u6709600 \u4eba\u3002 6\uff1a\u5c11\u5148\u961f\u5458\u732e\u7231\u5fc3\uff0c\u56db\u3001\u4e94\u4e24\u4e2a\u5e74\u7ea7\u5171\u6350896\u5143\uff0c\u4e94\u5e74\u7ea7\u6bd4\u516d\u5e74\u7ea7\u5c11\u635082\u5143\uff0c\u516d\u5e74\u7ea7\u6bd4\u56db\u5e74\u7ea7\u591a\u6350128\u5143\u3002\u4e09\u4e2a\u5e74\u7ea7\u5404\u6350\u6b3e\u591a\u5c11\u5143\uff1f \u8bbe\u4e94\u5e74\u7ea7\u6350x\u5143 \u516d\u5e74\u7ea7\u6350x+82 \u56db\u5e74\u7ea7\u6350896-x x+82-\uff08896-x\uff09=128 x=471 7\uff1a\u6c34\u679c\u5e02\u573a\u91cc\uff0c\u82f9\u679c\u7684\u4ef7\u683c\u6bd4\u68a8\u8d350.7\u5143\uff0c\u662f\u68a8\u4ef7\u683c\u76841.25\u500d\uff0c\u82f9\u679c\u548c\u68a8\u7684\u4ef7\u683c\u5206\u522b\u662f\u591a\u5c11\u5143\uff1f \u8bbe\u82f9\u679c\u7684\u4ef7\u683c\u4e3ax\u5143 x/\uff08x-0.7\uff09=1.25 x=3.5 x-0.7=2.8 8\uff1a\u4e00\u79cd\u996e\u6599\u5927\u5c0f\u5305\u88c5\u67093\u79cd,1\u4e2a\u4e2d\u74f6\u6bd42\u5c0f\u74f6\u4fbf\u5b9c2\u89d2,1\u5927\u74f6\u6bd41\u4e2d\u74f6\u52a01\u5c0f\u74f6\u8d354\u89d2,\u5927\u4e2d\u5c0f\u5404\u4e701\u74f6\u97009\u51436\u89d2.3\u79cd\u5305\u88c5\u7684\u996e\u6599\u6bcf\u74f6\u5404\u591a\u5c11\u5143\uff1f \u8bbe\u5c0f\u74f6\u5355\u4ef7x\u89d2\uff0c\u4e2d\u74f62x-2\u89d2\uff0c\u5927\u74f63x+2\u89d2\u3002 x+2x-2+3x+2=96 6x=96 x=16 2x-2=32-2=30 3x+2=48+2=50 9\uff1a\u4e00\u5e74\u7ea7\u5b66\u751f\u5728\u4f1a\u8bae\u5ba4\u5f00\u4f1a,\u6bcf\u6392\u5ea7\u4f4d\u575012\u4eba,\u5219\u670911\u4eba\u65e0\u5904\u5750;\u6bcf\u6392\u5ea7\u4f4d\u575014\u4eba,\u5219\u4f591\u4eba\u72ec\u5750\u4e00\u6392,\u5219\u8fd9\u95f4\u4f1a\u8bae\u5ba4\u5171\u6709\u591a\u5c11\u6392\u5ea7\u4f4d\uff1f \u8bbe\u6709X\u6392\u5ea7\u4f4d\uff0cY\u540d\u5b66\u751f\u3002 \u5217\u51fa\u65b9\u7a0b\u7ec4\uff1a 12X+11=Y (1) 14X-13=Y (2) (2)-(1)\u5f97\uff1a2X=24 X=12\u6240\u4ee5Y=12X12+11=155 (\u8fd9\u662f\u6ca1\u6392\u5ea7\u4f4d\u90fd\u6709\u4eba\u505a\u7684\u60c5\u51b5\u3002\uff09 10\uff1a\u8f7f\u8f66\u6bcf\u5c0f\u65f6\u884c70\u5343\u7c73,\u9762\u5305\u8f66\u6bcf\u5c0f\u65f6\u884c60\u5343\u7c73,\u4e24\u8f66\u5728\u76f8\u8ddd185.2\u5343\u7c73\u7684\u4e24\u5730\u540c\u5411\u884c\u9a76,\u8f7f\u8f66\u5728\u524d,\u9762\u5305\u8f66\u5728\u540e.\u9762\u5305\u8f66\u51fa\u53d12.5\u5c0f\u65f6\u540e,\u8f7f\u8f66\u624d\u51fa\u53d1.\u8f7f\u8f66\u884c\u9a76\u4e863.7\u5c0f\u65f6\u540e,\u4e24\u8f66\u76f8\u8ddd\u591a\u5c11\u5343\u7c73? \u9762\u5305\u8f66\u884c2.5+3.7\u5c0f\u65f6 \u6240\u4ee5\u884c(2.5+3.7)*60\u5343\u7c73 \u8f7f\u8f66\u884c3.7\u5c0f\u65f6\uff0c\u884c\u4e863.7*70\u5343\u7c73 \u8f7f\u8f66\u5728\u524d185.2\u5343\u7c73 \u8bbe\u4e24\u8f66\u76f8\u8dddx\u5343\u7c73 \u52193.7*70+185.2=x+(2.5+3.7)*60 444.5=x+372 x=444.5-372=72.5 \u6240\u4ee5\u76f8\u8ddd72.5\u5343\u7c73 11\uff1a\u540c\u5b66\u4eec\u5728\u519b\u8bad\u65f6,\u4ee5\u6bcf\u5c0f\u65f66\u5343\u7c73\u7684\u901f\u5ea6\u4ece\u8425\u5730\u51fa\u53d1\u53bb\u67d0\u5730\u8bad\u7ec3.\u884c\u4e8616\u5343\u7c73\u540e,\u901a\u8baf\u5458\u9a91\u81ea\u884c\u8f66\u4ee5\u6bcf\u5c0f\u65f614\u5343\u7c73\u7684\u901f\u5ea6\u53bb\u8ffd\u8d76\u4ed6\u4eec,\u51e0\u5c0f\u65f6\u540e\u53ef\u4ee5\u8ffd\u4e0a?\u8ffd\u4e0a\u65f6\u79bb\u8425\u5730\u591a\u5c11\u5343\u7c73? \u8bbex\u5c0f\u65f6\u8ffd\u4e0a \u5219\u8fd9x\u5c0f\u65f6\u540c\u5b66\u884c6x\u5343\u7c73\uff0c\u901a\u8baf\u545814x\u5343\u7c73 \u901a\u8baf\u5458\u591a\u884c16\u5343\u7c73 \u6240\u4ee514x=16+6x 14x-6x=16 8x=16 x=2 \u6240\u4ee52\u5c0f\u65f6\u8ffd\u4e0a \u901a\u8baf\u5458\u884c\u4e8614x=28\u5343\u7c73 \u6240\u4ee5\u8ffd\u4e0a\u65f6\u79bb\u8425\u573028\u5343\u7c73 12\uff1a\u4e24\u4e2a\u57ce\u5e02\u4e4b\u95f4\u7684\u94c1\u8def\u8def\u7a0b\u662f1500\u5343\u7c73\uff0c\u4e24\u5217\u706b\u8f66\u4ece\u4e24\u57ce\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\uff0c\u6162\u8f66\u5e73\u5747\u6bcf\u5c0f\u65f6\u884c82\u5343\u7c73\uff0c\u5feb\u8f66\u5e73\u5747\u6bcf\u5c0f\u65f6\u884c106\u5343\u7c73\uff0c\u5feb\u8f66\u73b0\u884c90\u5343\u7c73\u540e\uff0c\u6162\u8f66\u518d\u51fa\u53d1\uff0c\u6162\u8f66\u5f00\u51fa\u51e0\u5c0f\u65f6\u540e\u4e0e\u5feb\u8f66\u5728\u9014\u4e2d\u76f8\u9047\uff1f \u8bbex\u5c0f\u65f6\u76f8\u9047 106x+90+82x=1500 \u89e3\u5f97x=7.5

\u8bb0\u5f97\u91c7\u7eb3\u554a

(-84)+(-49)

7+(-2.04)

4.23+(-7.57)

(-7/3)+(-7/6)

9/4+(-3/2)

3.75+(2.25)+5/4

-3.75+(+5/4)+(-1.5)

\uff0817/4)+(-10/3)+(+13/3)+(11/3)

(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

-5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

-5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

-1+2-3+4-5+6-7;

50-28+(-24)-(-22);

19.8-(-20.3)-(+20.2)-10.8;

0.25- +(-1 )-(+3 ).

-1-23.33-(+76.76);

1-2*2*2*2;

(-6-24.3)-(-12+9.1)+(0-2.1);

-1+8-7 )23+(-73)
(2)(-84)+(-49)
(3)7+(-2.04)
(4)4.23+(-7.57)
(5)(-7/3)+(-7/6)
(6)9/4+(-3/2)
(7)3.75+(2.25)+5/4
(8)-3.75+(+5/4)+(-1.5)
(9)(-17/4)+(-10/3)+(+13/3)+(11/3)
(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(11)(+1.3)-(+17/7)
(12)(-2)-(+2/3)
(13)|(-7.2)-(-6.3)+(1.1)|
(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(15)(-2/199)*(-7/6-3/2+8/3)
(16)4a)*(-3b)*(5c)*1/6

4/9×3= 5÷1/3 = 1/2÷1/3 =
21/25÷42= 4/5×3/4 = 8.7×0.2=
4×0.25= 1/7×14= 2/3÷5/6=
1.25×8= 3/5÷5/8= 6/7×3/2=
6×8.8= 4/11÷4= 4/9×3/8=
5/3÷5= 0÷8/3= 4/7-2/3=
2/7×2= 41/12×4= 4÷3/16=
12÷9/4= 75/8 ÷5= 12×16/9=
2/3×3= 8÷9/4 = 5/3÷3/5 =
4/5×5/8= 7/9×9/7= 2.64+3.6=
2.4×50= 3500÷70= 2050-298=
2+7÷9= 0.3÷3%= 286+198=
314-202= 526+301= 223-99=
1/2×3/5= 1. 89÷100= 0.82+0.08=
73×1= 0.63×10= 4÷10=
17÷1000= 0.56+0.4= 1.25×100=
5.6+99= 43×63/21= 100÷25=
1-0.93= 90-0.9= 18.3×1/3=
794-198= 68×25= 43.3-63/21 =
72×125= 3001-1998= 23/5×5/6 =
20/3×12= 1/2-1/6= 30.25×4/5=
5/6-1/2= 1/2×1/5=
4.25×4/25×4

57.26-(5.26-1.5)

106.25+3.85-2.125+3.875

11.9-2456×21

5/11-4×2.75

13.375+5.75+2.25+6.625

(15.1-9036)÷18

163.8×5.25+14.5

172.1×4.3+5.7×2.1

19.102×45-328

2.8×3.1+16/8

23÷(50-12.5) ÷2.5

24×2/5×1/3

25.6÷110×47+639

3.5×2.7-52.2/18

28-1/7×1/5

3.375×0.97+0.97×6.625

6.54+2.4+3.46+0.6

95.6×1.8+95.6×8.2

35.6-420/12×4

344/3.6-5.4×0.25

16/2+30/2+90/6

5000-105×34

0.15/0.25+0.75×1.2

41×(1/2+1/3+1/4)×0.24

42×(25+4)×4

3×63/21-84

0.81/0.25+5.96×5

403÷13×27

46.1.5×4.2-0.75÷0.25
3.27×4 +3.27×5.7

(1.2+ 1.8)×4.51025-768÷32

0.25×80-0.45÷0.9

50.1025-768÷32

81.2-11÷7-×3=

6696÷62-6.5×10.6 =

2/7×3/9 ÷2/7 =

6756-193-207=

97×360+3×360=

4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 =

1125-997 998+1246+9989 (8700+870+87)÷87

125×8.8 1.3+4.25+3.7+3.75 17.15-(3.5-2.85)

3.4×99+3.4 4.8×1.01 0.4×(2.5÷73)

(1.6+1.6+1.6+1.6)×25 ( + - )÷

12.3-2.45-5.7-4.55 2 + 0.125×0.25×64

64.2×87+0.642×1300 78×36+7.8×741-7 17+ 8

0.125× +0.5 2.42 +4.58 -43

25÷100 4.25-3 -(2 -1 )

(1)1.25*17.6+36.1/0.8+2.36*12.5
1.25*17.6+36.1/0.8+2.36*12.5
=(5/4)*17.6+36.1*(5/4)+23.6*(50/4)
=176/8+361/8+236/8
=773/8=96.625

(2)7.5*2.3+1.9*2.5
7.5*2.3+1.9*2.5
=7.5*(1.9+0.4)+1.9*2.5
=(7.5+2.5)*1.9+7.5*0.4
=19+3 =22

(3)2004/2003*2005
2004/2003*2005
=(2004/2003)*(2003+2)
=2004+4008/2003

(4)276*543-267/276+543*275
276*543-267/276+543*275
=543*(276+275)-267/276
=543*551-267/276

1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)

43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1+(3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6
66.3.2×6+(1.5+2.5)÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13)+4.2×3.74
70.32.52-(6+9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02-(148.4-90.85)÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -( 3/2 + 4/5 )
10) 8 + ( 1/8 + 1/9 )
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×( 1/2 + 2/3 )
15) 2/9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - ( 2/7 – 10/21 )
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22) 1、 2/3÷1/2-1/4×2/5
2、 2-6/13÷9/26-2/3
3、 2/9+1/2÷4/5+3/8
4、 10÷5/9+1/6×4
5、 1/2×2/5+9/10÷9/20
6、 5/9×3/10+2/7÷2/5
7、 1/2+1/4×4/5-1/8
8、 3/4×5/7×4/3-1/2
9、 23-8/9×1/27÷1/27
10、 8×5/6+2/5÷4
11、 1/2+3/4×5/12×4/5
12、 8/9×3/4-3/8÷3/4
13、 5/8÷5/4+3/23÷9/11
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-(25-2.5)2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-(3.07+3.65)
(4+0.4×0.25)8×7×1.25
1.65×99+1.65
27.85-(7.85+3.4)
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6)×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 × 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6

102×4.5
7.8×6.9+2.2×6.9
5.6×0.25
8×(20-1.25)
1)127+352+73+44 (2)89+276+135+33
(1)25+71+75+29 +88 (2)243+89+111+57
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+(2304-2042)×23
4215+(4361-716)÷81
(247+18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528+912)×5-6178
8528÷41×38-904
264+318-8280÷69
(174+209)×26- 9000
814-(278+322)÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6-19/12
3x(-9)+7x(-9
(-54)x1/6x(-1/3)
1.18.1+(3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
5.6-1.6÷4= 5.38+7.85-5.37=
6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×(3.87-0.13)+4.2×3.74
10.32.52-(6+9.728÷3.2)×2.5
11.[(7.1-5.6)×0.9-1.15] ÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02-(148.4-90.85)÷2.5

还真有好心人,便一百道题很简单,只要不拍麻烦

100题先10分
傻的就帮你

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自己写去

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