100道数学六年级下册比例计算题 小学六年级数学计算题100道要有答案的

\u516d\u5e74\u7ea7\u6570\u5b66100\u9053\u8ba1\u7b97\u9898\u8fc7\u7a0b\u5e26\u7b54\u6848

\u5b66\u751f\u6570\u5b66\u7d20\u517b\u5f88\u91cd\u8981\u7684\u4e00\u4e2a\u90e8\u5206\u5c31\u662f\u8ba1\u7b97\u3002\u8fd0\u7b97\u80fd\u529b\u4e0d\u884c\uff0c\u6570\u5b66\u8003\u8bd5\u8003\u9ad8\u5206\u7684\u5e0c\u671b\u5c31\u4e0d\u9ad8\uff0c\u8fdb\u800c\u5f71\u54cd\u5b69\u5b50\u5b66\u4e60\u7684\u5174\u81f4\uff0c\u8fd8\u4f1a\u5bfc\u81f4\u4e0d\u80fd\u6309\u65f6\u5b8c\u6210\u8bd5\u5377\u3001\u5bb6\u5ead\u4f5c\u4e1a\u71ac\u591c\uff0c\u52a0\u91cd\u62d6\u5ef6\u75c7\u3002\u8ba1\u7b97\u80fd\u529b\u5dee\uff0c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u662f\u56e0\u4e3a\u6ca1\u6709\u654f\u9510\u7684\u6570\u5b57\u89c2\u5bdf\u529b\u3001\u7075\u6d3b\u7684\u6570\u5b66\u601d\u8def\u3002\u5f88\u591a\u5bb6\u957f\u8ddf\u6211\u53cd\u6620\u5b69\u5b50\u6570\u5b66\u6210\u7ee9\u5dee\uff0c\u505a\u9898\u6162\u3001\u6b63\u786e\u7387\u4f4e\u3002\u5176\u5b9e\u591a\u534a\u662f\u53d7\u8fd0\u7b97\u80fd\u529b\u548c\u57fa\u7840\u77e5\u8bc6\u638c\u63e1\u4e0d\u7262\u7684\u5f71\u54cd\u3002

\u800c\u60f3\u8981\u89e3\u51b3\u8fd9\u4e00\u70b9\uff0c\u5c31\u5f97\u5728\u5e73\u65f6\u7684\u65f6\u5019\u8ba9\u5b69\u5b50\u591a\u505a\u9898\uff0c\u5f62\u6210\u4e00\u4e2a\u81ea\u5df1\u7684\u89e3\u9898\u601d\u8def\u624d\u884c\u3002\u8981\u77e5\u9053\uff0c\u6700\u6709\u6548\u7684\u63d0\u5347\u6570\u5b66\u6c34\u5e73\u7684\u65b9\u5f0f\uff0c\u5c31\u662f\u591a\u505a\u9898\uff0c\u53ea\u6709\u9898\u505a\u5f97\u591a\u4e86\uff0c\u5b69\u5b50\u624d\u4f1a\u77e5\u9053\u54ea\u4e9b\u9898\u8be5\u600e\u4e48\u505a\uff0c\u8fd9\u4e9b\u9898\u600e\u4e48\u505a\u6700\u6709\u6548\u7387\uff0c\u4e45\u800c\u4e45\u4e4b\uff0c\u5728\u540e\u9762\u8003\u8bd5\u7684\u65f6\u5019\uff0c\u5b69\u5b50\u4eec\u4e5f\u80fd\u4ece\u5bb9\u5e94\u5bf9\u5404\u79cd\u9898\u76ee\u4e86\u3002

\u90fd\u8bf4\u5c0f\u5b66\u516d\u5e74\u7ea7\u5f88\u91cd\u8981\uff0c\u7279\u522b\u662f\u4e0b\u534a\u5b66\u671f\uff0c\u5982\u679c\u4e0d\u628a\u63e1\u597d\uff0c\u5bf9\u5c0f\u5347\u521d\u8003\u8bd5\u90fd\u4f1a\u6709\u5f71\u54cd\uff0c\u56e0\u6b64\uff0c\u8fd9\u91cc\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u4e861200\u9053\u5c0f\u5b66\u516d\u5e74\u7ea7\u6570\u5b66\u8ba1\u7b97\u9898\uff0c\u8ba4\u771f\u505a\u4e00\u904d\uff01\u6536\u85cf\u5907\u7528\u3002

1. 45+15\u00d76= 135
\u3000\u30002. 250\u00f75\u00d78=400
\u3000\u30003. 6\u00d75\u00f72\u00d74=60
\u3000\u30004. 30\u00d73+8=98
\u3000\u30005. 400\u00f74+20\u00d75= 200
\u3000\u30006. 10+12\u00f73+20=34
\u3000\u30007.(80\u00f720+80)\u00f74=21
\u3000\u30008. 70+(100-10\u00d75)=120
\u3000\u30009. 360\u00f740= 9
\u3000\u300010. 40\u00d720= 800
\u3000\u300011. 80-25= 55
\u3000\u300012. 70+45=115
\u3000\u300013. 90\u00d72= 180
\u3000\u300014. 16\u00d76= 96
\u3000\u300015. 300\u00d76= 1800
\u3000\u300016. 540\u00f79=60
\u3000\u300017. 30\u00d720= 600
\u3000\u300018. 400\u00f74= 100
\u3000\u300019. 350-80= 270
\u3000\u300020. 160+70=230
\u3000\u300021. 18-64\u00f78= 10
\u3000\u300022. 42\u00f76+20=27
\u3000\u300023. 40-5\u00d77= 5
\u3000\u300024. 80+60\u00f73=100
\u3000\u300025. 41+18\u00f72= 50
\u3000\u300026. 75-11\u00d75= 20
\u3000\u300027. 42+7-29= 20
\u3000\u300028. 5600\u00f780=70
\u3000\u300029. 25\u00d716= 400
\u3000\u300030. 120\u00d725= 3000
\u3000\u300031. 36\u00d711= 396
\u3000\u300032. 1025\u00f725=41
\u3000\u300033. 336+70= 406
\u3000\u300034. 25\u00d79\u00d74= 900
\u3000\u300035. 200-33\u00d73= 101
\u3000\u300036. 3020-1010=2010
\u3000\u300037. 12\u00d750= 600
\u3000\u300038. 25\u00d78= 200
\u3000\u300039. 23\u00d711= 253
\u3000\u300040. 125\u00f725=5
\u3000\u300041. 4200-2200=2000
\u3000\u300042. 220+80= 300
\u3000\u300043. 20\u00d78\u00d75= 800
\u3000\u300044. 600-3\u00d7200=0
\u3000\u300045. 20+20\u00f72= 30
\u3000\u300046. 35-25\u00f75= 30
\u3000\u300047. 36+8-40= 4
\u3000\u300048. 2800\u00f740=70
\u3000\u300049. 98\u00f714 = 7
\u3000\u300050. 96\u00f724 = 4

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. 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\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. 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\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

3／5:x=1／3:2 x=3.6 
3:8=15:x x=40 
x:9=4：3 x=12 
1／4:1／8=x:1／10 x=1／5 
1.25:0.25=x:1.6 x=8 
3／4:x=3:12 x=3 
5:8=40:x x=64 
x:3／4=1／5:2／5 x=3／8 
140:2=x:5 x=350 
6.5:x=3.25:4 x=8X:20=0.4:6
6X=20*0.4
X=4/3 
45:9=x:3
32:4=X:8
38:60=x:30
25:40=x:60
11:50=x:100
18:25=x:75
85:1664=x:6124 
14%:X=4.75:57/8
1) 3X-(1/2+1/4)=7/12 
3X=7/12+3/4 
3X=4/3 
X=4/9 
(2) 6.6-5X=3/4-4X 
6.6-0.75=-4X+5X 
X=5.85 
(3) 1.1X+2.2=5.5-3.3X 
1.1X+3.3X=5.5-2.2 
4.4X=3.3 
X=3/4=4/3 
还有 
(0.5+x)+x=9.8÷2 
2(X+X+0.5)=9.8 
25000+x=6x 
3200=450+5X+X 
X-0.8X=6 
12x-8x=4.8 
7.5*2X=15 
1.2x=81.6 
x+5.6=9.4 
52－x ＝15 
91÷x ＝1.3 
X+8.3=10.7 
15x ＝3 
3x－8＝16 
7(x-2)=2x+3 
3x+9=2718(x-2)=270 
12x=300-4x 
7x+5.3=7.4 
3x÷5=4.8 
30÷x+25=85 
1.4×8-2x=6 
6x-12.8×3=0.06 
410-3x=170 
3(x+0.5)=21 
0.5x+8=43 
6x-3x=18 
1.5x+18=3x 
5×3-x÷2=8 
0.273÷x=0.35 
1.8x=0.972 
x÷0.756=90 
9x-40=5 
x÷5+9=21 
48-27+5x=31 
10.5+x+21=56 
x+2x+18=78 
(200-x)÷5=30 
(x-140)÷70=4 
0.1(x+6)=3.3×0.4 
4(x-5.6)=1.6

銆愭ャ鍏勾绾т笅鍐屾暟瀛︽瘮渚棰
绛旓細1. 1.2 2. 2:3=6:9 3. 7.5 4.8 10/3 4.10:4=50:20 5. 3:4=6:8 瀵广傞敊銆傞敊

鍏勾绾т笅鍐屾暟瀛棰姣斾緥
绛旓細1.灏忚礉鐨勮澶栦功鏈暟锛氬皬娆ｈ澶栦功鏈暟=锛1梅1/2锛夛細锛1梅3锛= 6 锛1 灏忚礉鐨勮澶栦功鏈暟=35梅锛6+1锛壝6=30锛堟湰锛夊皬娆ｈ澶栦功鏈暟=35-30=5锛堟湰锛2鎴愮瓑姣斾緥鍏崇郴锛岀敳脳8=涔櫭16鍒嗕箣1锛岀敳脳8=16涔欙紝鐢=2涔.

鍏勾绾т笅鍐鐨 鏁板鐨勭涓夊崟鍏冪殑瑙姣斾緥50閬
绛旓細x=64 x:3锛4=1锛5:2锛5 x=3锛8 140:2=x:5 x=350 6.5:x=3.25:4 x=8X:20=0.4:6 6X=20*0.4 X=4/3 45:9=x:3 32:4=X:8 38:60=x:30 25:40=x:60 11:50=x:100 18:25=x:75 85:1664=x:6124 14%:X=4.75:57/8 ...

鍏勾绾т笅鍐屾暟瀛搴旂敤棰:姣斾緥鐭ヨ瘑搴旂敤棰
绛旓細璁炬瘡灏忔椂瑕佽椹秞鍗冪背 鍒楁柟绋嬪涓嬶細锛5-1锛墄=40x5锛涜В寰梮=50 鍗虫瘡灏忔椂瑕佽椹50鍗冪背

鍏勾绾т笅鍐屾暟瀛棰,鐢姣斾緥瑙ｆ柟绋嬫柟娉曘傘傘
绛旓細涓夌彮20 姣忓ぉ澶2.4鍚 姣忓ぉ澶40杞

鍏勾绾ф暟瀛︿笅鍐绗洓鍗曞厓姝ｅ弽姣斾緥銆佹瘮渚嬪昂搴旂敤棰
绛旓細29銆 椋炴満姣忓皬鏃堕琛480鍗冪背锛屾苯杞︽瘡灏忔椂琛60鍗冪背銆傞鏈鸿4 灏忔椂鐨勮矾绋嬶紝姹借溅瑕佽澶氬皯灏忔椂锛燂紙鐢姣斾緥鏂规硶瑙ｏ級30銆 淇竴鏉″叕璺,姣忓ぉ淇0.5鍗冪背锛36澶╁畬鎴愩傚鏋滄瘡澶╀慨0.6鍗冪背锛屽灏戝ぉ鍙慨瀹岋紵锛堢敤姣斾緥鏂规硶瑙ｏ級31銆 涓涓檼鐩愬満鐢500鍗冨厠娴锋按鍙互鏅15鍗冨厠鐩愶紱鐓ц繖鏍风殑璁＄畻锛岀敤100鍚ㄦ捣姘村彲浠ユ檼澶氬皯鍚...

涓閬撳皬瀛鍏勾绾т笅瀛︽湡鐨鏁板棰:涓瀹氳鐢姣斾緥璁＄畻!
绛旓細璁捐繖杈嗘苯杞︿粠鐢插湴鍒颁箼鍦伴渶瑕乆灏忔椂鐨勬椂闂 1.2锛120=X锛300 120X=360 X=3 杩欒締姹借溅浠庣敳鍦板埌涔欏湴闇瑕3灏忔椂鐨勬椂闂

鍏勾绾т笅鍐屾暟瀛瑙姣斾緥搴旂敤棰
绛旓細17銆100鍗冨厠榛勮眴鍙互姒ㄦ补13鍗冨厠锛岀収杩欐牱璁＄畻锛岃姒ㄨ眴娌6.5鍚紝闇榛勮眴澶氬皯鍚紵18銆佷竴涓埧闂达紝鐢ㄨ竟闀3鍒嗙背鐨勬柟鐮栭摵鍦帮紝闇瑕432鍧楋紝濡傛灉鏀圭敤杈归暱4鍒嗙背鐨勬柟鐮栭摵鍦帮紝闇瑕佸灏戝潡锛19銆佹妸3绫抽暱鐨勭绔跨洿绔嬪湪鍦伴潰涓婏紝娴嬪緱褰遍暱1.2绫筹紝鍚屾椂娴嬪緱涓鏍规棗鏉嗙殑褰遍暱涓4.8绫筹紝姹傛棗鏉嗙殑楂樻槸澶氬皯绫筹紵

銆愭ユユャ 灏忓鍏勾绾т笅鍐屾暟瀛︽瘮渚棰
绛旓細瑙ｈ灏变笉璇翠簡锛屼綘鑷繁鍔 5:3=2锛歑 5X=2x3 5X=6 X=6闄5 X=浜斿垎涔嬪叚 4锛5=200锛歑 4X =200x5 4X=1000 X=1000闄4 X=250 绗笁棰樹笉鍋氫簡 瑙ｏ細璁剧粌涔犳湰鐨勫崟浠锋槸X鍏冦4.8:4=3.6锛歑 4.8X=4x3.6 4.8X=14.4 X=14.4闄4.8 X=3 瑙ｏ細璁捐繖涓暟鏄疿銆俋锛氬叓鍒嗕箣涓=浜斿垎涔...

灏忓鍏勾绾т笅鍐屾暟瀛棰(姣斾緥灏)
绛旓細1銆 320绫=32000鍘樼背 80梅32000=1锛400 姣斾緥灏轰负1锛400 2銆 1.35km=135000cm 135000脳1/15000=9cm 搴旂敾9鍘樼背 3銆 3.6梅1/2000000=72鍗冪背 72梅30=2.4灏忔椂 8+2.4=10鏃40鍒 鎴戣嚜宸卞啓鐨勶紝涓嶄細閿欏摝

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