求达人帮忙看看,这道题该怎么做,要有过程哦,谢谢 求达人帮忙看看,这道题该怎么做,要有过程哦,谢谢
\u6c42\u8fbe\u4eba\u5e2e\u5fd9\u770b\u770b\uff0c\u8fd9\u9053\u9898\u8be5\u600e\u4e48\u505a\uff0c\u8981\u6709\u8fc7\u7a0b\u54e6\uff0c\u8c22\u8c221\u3001\u8ba1\u7b97\uff1a \uff081\uff09\uff0d5\uff0d9+3\uff1b \uff082\uff0910\uff0d17+8\uff1b \uff083\uff09\uff0d3\uff0d4+19\uff0d11\uff1b \uff084\uff09\uff0d8+12\uff0d16\uff0d23\uff0e 2\uff0e\u8ba1\u7b97\uff1a (1)-4.2+5.7-8.4+10\uff1b (2)6.1-3.7-4.9+1.8\uff1b 3\uff0e\u8ba1\u7b97\uff1a \uff081\uff09\uff08\u201436\uff09\u2014\uff08\u201425\uff09\u2014\uff08+36\uff09+\uff08+72\uff09\uff1b \uff082\uff09\uff08\u20148\uff09\u2014\uff08\u20143\uff09+\uff08+5\uff09\u2014\uff08+9\uff09\uff1b \uff083\uff09 \uff1b \uff084\uff09\u20149+\uff08\u20143 \uff09+3 \uff1b 4\uff0e\u8ba1\u7b97\uff1a \uff081\uff09 12\uff0d\uff08\uff0d18\uff09+\uff08\uff0d7\uff09\uff0d15\uff1b \uff082\uff09 \uff0d40\uff0d28\uff0d\uff08\uff0d19\uff09+\uff08\uff0d24\uff09\uff0d\uff08\uff0d32\uff09\uff1b \uff083\uff094.7\uff0d\uff08\uff0d8.9\uff09\uff0d7.5+\uff08\uff0d6\uff09\uff1b \u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97 1\uff0e\u8ba1\u7b97(\u4e94\u5206\u949f\u7ec3\u4e60)\uff1a (5)-252\uff1b (6)(-2)3\uff1b(7)-7+3-6\uff1b (8)(-3)\u00d7(-8)\u00d725\uff1b (13)(-616)\u00f7(-28)\uff1b (14)-100-27\uff1b (15)(-1)101\uff1b (16)021\uff1b (17)(-2)4\uff1b (18)(-4)2\uff1b (19)-32\uff1b (20)-23\uff1b (24)3.4\u00d7104\u00f7(-5)\uff0e \uff0e \u8bfe\u5802\u7ec3\u4e60 \u8ba1\u7b97\uff1a(1)-2.5\u00d7(-4.8)\u00d7(0.09)\u00f7(-0.27)\uff1b \u4f8b3 \u8ba1\u7b97\uff1a (1)(-3)\u00d7(-5)2\uff1b (2)\u3014(-3)\u00d7(-5)\u30152\uff1b (3)(-3)2-(-6)\uff1b (4)(-4\u00d732)-(-4\u00d73)2\uff0e \u5ba1\u9898\uff1a\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\uff1f \u89e3\uff1a(1)(-3)\u00d7(-5)2=(-3)\u00d725=-75\uff0e (2)\u3014(-3)\u00d7(-5)\u30152=(15)2=225\uff0e (3)(-3)2-(-6)=9-(-6)=9+6=15\uff0e (4)(-4\u00d732)-(-4\u00d73)2 =(-4\u00d79)-(-12)2 =-36-144 =-180\uff0e \u6ce8\u610f\uff1a\u641e\u6e05(1)\uff0c(2)\u7684\u8fd0\u7b97\u987a\u5e8f\uff0c(1)\u4e2d\u5148\u4e58\u65b9\uff0c\u518d\u76f8\u4e58\uff0c(2)\u4e2d\u5148\u8ba1\u7b97\u62ec\u53f7\u5185\u7684\uff0c\u7136\u540e\u518d\u4e58\u65b9\uff0e(3)\u4e2d\u5148\u4e58\u65b9\uff0c\u518d\u76f8\u51cf\uff0c(4)\u4e2d\u7684\u8fd0\u7b97\u987a\u5e8f\u8981\u5206\u6e05\uff0c\u7b2c\u4e00\u9879(-4\u00d732)\u91cc\uff0c\u5148\u4e58\u65b9\u518d\u76f8\u4e58\uff0c\u7b2c\u4e8c\u9879(-4\u00d73)2\u4e2d\uff0c\u5c0f\u62ec\u53f7\u91cc\u5148\u76f8\u4e58\uff0c\u518d\u4e58\u65b9\uff0c\u6700\u540e\u76f8\u51cf\uff0e \u8bfe\u5802\u7ec3\u4e60 \u8ba1\u7b97\uff1a (1)-72\uff1b (2)(-7)2\uff1b (3)-(-7)2\uff1b (7)(-8\u00f723)-(-8\u00f72)3\uff0e \u4f8b4 \u8ba1\u7b97 (-2)2-(-52)\u00d7(-1)5+87\u00f7(-3)\u00d7(-1)4\uff0e \u5ba1\u9898\uff1a(1)\u5b58\u5728\u54ea\u51e0\u7ea7\u8fd0\u7b97\uff1f (2)\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\u786e\u5b9a\uff1f \u89e3\uff1a (-2)2-(-52)\u00d7(-1)5+87\u00f7(-3)\u00d7(-1)4 =4-(-25)\u00d7(-1)+87\u00f7(-3)\u00d71(\u5148\u4e58\u65b9) =4-25-29(\u518d\u4e58\u9664) =-50\uff0e(\u6700\u540e\u76f8\u52a0) \u6ce8\u610f\uff1a(-2)2=4\uff0c-52=-25\uff0c(-1)5=-1\uff0c(-1)4=1\uff0e \u8bfe\u5802\u7ec3\u4e60 \u8ba1\u7b97\uff1a (1)-9+5\u00d7(-6)-(-4)2\u00f7(-8)\uff1b (2)2\u00d7(-3)3-4\u00d7(-3)+15\uff0e 3\uff0e\u5728\u5e26\u6709\u62ec\u53f7\u7684\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u5c0f\u62ec\u53f7\uff0c\u518d\u7b97\u4e2d\u62ec\u53f7\uff0c\u6700\u540e\u7b97\u5927\u62ec\u53f7\uff0e \u8bfe\u5802\u7ec3\u4e60 \u8ba1\u7b97\uff1a \u4e09\u3001\u5c0f\u7ed3 \u6559\u5e08\u5f15\u5bfc\u5b66\u751f\u4e00\u8d77\u603b\u7ed3\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\u7684\u89c4\u5f8b\uff0e 1\uff0e\u5148\u4e58\u65b9\uff0c\u518d\u4e58\u9664\uff0c\u6700\u540e\u52a0\u51cf\uff1b 2\uff0e\u540c\u7ea7\u8fd0\u7b97\u4ece\u5de6\u5230\u53f3\u6309\u987a\u5e8f\u8fd0\u7b97\uff1b 3\uff0e\u82e5\u6709\u62ec\u53f7\uff0c\u5148\u5c0f\u518d\u4e2d\u6700\u540e\u5927\uff0c\u4f9d\u6b21\u8ba1\u7b97\uff0e \u56db\u3001\u4f5c\u4e1a 1\uff0e\u8ba1\u7b97\uff1a 2\uff0e\u8ba1\u7b97\uff1a (1)-8+4\u00f7(-2)\uff1b (2)6-(-12)\u00f7(-3)\uff1b (3)3•(-4)+(-28)\u00f77\uff1b (4)(-7)(-5)-90\u00f7(-15)\uff1b 3\uff0e\u8ba1\u7b97\uff1a 4\uff0e\u8ba1\u7b97\uff1a (7)1\u00f7(-1)+0\u00f74-(-4)(-1)\uff1b(8)18+32\u00f7(-2)3-(-4)2\u00d75\uff0e 5*\uff0e\u8ba1\u7b97(\u9898\u4e2d\u7684\u5b57\u6bcd\u5747\u4e3a\u81ea\u7136\u6570)\uff1a (1)(-12)2\u00f7(-4)3-2\u00d7(-1)2n-1\uff1b (4)\u3014(-2)4+(-4)2•(-1)7\u30152m•(53+35)\uff0e \u7b2c\u4e8c\u4efd \u521d\u4e00\u6570\u5b66\u6d4b\u8bd5\uff08\u516d\uff09 \uff08\u7b2c\u4e00\u7ae0 \u6709\u7406\u6570 2001\u300110\u300118\uff09 \u547d\u9898\u4eba\uff1a\u5b59\u671d\u4ec1 \u5f97\u5206 \u4e00\u3001 \u9009\u62e9\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517130\u5206\uff09 1\uff0e|\uff0d5|\u7b49\u4e8e\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff09\uff0d5 \uff08B\uff095 \uff08C\uff09\u00b15 \uff08D\uff090.2 2\uff0e\u5728\u6570\u8f74\u4e0a\u539f\u70b9\u53ca\u539f\u70b9\u53f3\u8fb9\u7684\u70b9\u6240\u8868\u793a\u7684\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff09\u6b63\u6570 \uff08B\uff09\u8d1f\u6570 \uff08C\uff09\u975e\u6b63\u6570 \uff08D\uff09\u975e\u8d1f\u6570 3\uff0e\u7528\u4ee3\u6570\u5f0f\u8868\u793a\u201c \u3001b\u4e24\u6570\u79ef\u4e0em\u7684\u5dee\u201d\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09 4\uff0e\u5012\u6570\u7b49\u4e8e\u5b83\u672c\u8eab\u7684\u6570\u6709\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff091\u4e2a \uff08B\uff092\u4e2a \uff08C\uff093\u4e2a \uff08D\uff09\u65e0\u6570\u4e2a 5\uff0e\u5728 \uff08n\u662f\u6b63\u6574\u6570\uff09\u8fd9\u516d\u6570\u4e2d\uff0c\u8d1f\u6570\u7684\u4e2a\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026( ) \uff08A\uff091\u4e2a \uff08B\uff092\u4e2a \uff08C\uff093\u4e2a \uff08D\uff094\u4e2a 6\uff0e\u82e5\u6570\u8f74\u4e0a\u7684\u70b9A\u3001B\u5206\u522b\u4e0e\u6709\u7406\u6570a\u3001b\u5bf9\u5e94\uff0c\u5219\u4e0b\u5217\u5173\u7cfb\u6b63\u786e\u7684\u662f\uff08 \uff09 \uff08A\uff09a\uff1cb \uff08B\uff09\uff0da\uff1cb \uff08C\uff09|a|\uff1c|b| \uff08D\uff09\uff0da\uff1e\uff0db • • • 7\uff0e\u82e5|a\uff0d2|=2\uff0da\uff0c\u5219\u6570a\u5728\u6570\u8f74\u4e0a\u7684\u5bf9\u5e94\u70b9\u5728 \uff08A\uff09 \u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7 \uff08B\uff09\u8868\u793a\u65702\u7684\u70b9\u7684\u53f3\u4fa7\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08C\uff09 \u8868\u793a\u65702\u7684\u70b9\u6216\u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7 \uff08D\uff09\u8868\u793a\u65702\u7684\u70b9\u6216\u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7 8\uff0e\u8ba1\u7b97 \u7684\u7ed3\u679c\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09 9\uff0e\u4e0b\u5217\u8bf4\u6cd5\u6b63\u786e\u7684\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff09 \u6709\u7406\u6570\u5c31\u662f\u6b63\u6709\u7406\u6570\u548c\u8d1f\u6709\u7406\u6570\uff08B\uff09\u6700\u5c0f\u7684\u6709\u7406\u6570\u662f0 \uff08C\uff09\u6709\u7406\u6570\u90fd\u53ef\u4ee5\u5728\u6570\u8f74\u4e0a\u627e\u5230\u8868\u793a\u5b83\u7684\u4e00\u4e2a\u70b9\uff08D\uff09\u6574\u6570\u4e0d\u80fd\u5199\u6210\u5206\u6570\u5f62\u5f0f 10\uff0e\u4e0b\u5217\u8bf4\u6cd5\u4e2d\u9519\u8bef\u7684\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09 \uff08A\uff09 \u4efb\u4f55\u6b63\u6574\u6570\u90fd\u662f\u7531\u82e5\u5e72\u4e2a\u201c1\u201d\u7ec4\u6210 \uff08B\uff09 \u5728\u81ea\u7136\u6570\u96c6\u4e2d\uff0c\u603b\u53ef\u4ee5\u8fdb\u884c\u7684\u8fd0\u7b97\u662f\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5 \uff08C\uff09 \u4efb\u610f\u4e00\u4e2a\u81ea\u7136\u6570m\u52a0\u4e0a\u6b63\u6574\u6570n\u7b49\u4e8em\u8fdb\u884cn\u6b21\u52a01\u8fd0\u7b97 \uff08D\uff09\u5206\u6570 \u7684\u7279\u5f81\u6027\u8d28\u662f\u5b83\u4e0e\u6570m\u7684\u4e58\u79ef\u6b63\u597d\u7b49\u4e8en \u4e8c\u3001 \u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u98984\u5206\uff0c\u517132\u5206\uff09 11\uff0e\uff0d0.2\u7684\u76f8\u53cd\u6570\u662f \uff0c\u5012\u6570\u662f \u3002 12\uff0e\u51b0\u7bb1\u51b7\u85cf\u5ba4\u7684\u6e29\u5ea6\u662f3\u2103\uff0c\u51b7\u51bb\u5ba4\u7684\u6e29\u5ea6\u6bd4\u51b7\u85cf\u5ba4\u7684\u6e29\u5ea6\u4f4e15\u2103\uff0c\u5219\u51b7\u51bb\u5ba4\u6e29\u5ea6\u662f \u2103\u3002 13\uff0e\u7d27\u63a5\u5728\u5947\u6570a\u540e\u9762\u7684\u4e09\u4e2a\u5076\u6570\u662f \u3002 14\uff0e\u7edd\u5bf9\u503c\u4e0d\u5927\u4e8e4\u7684\u8d1f\u6574\u6570\u662f \u3002 15\uff0e\u8ba1\u7b97\uff1a = \u3002 16\uff0e\u82e5a\uff1c0
\u89e3:\u8bf7\u628a\u5177\u4f53\u9898\u76ee\u53d1\u8fc7\u6765\uff0c\u6211\u770b\u770b\uff0c\u6700\u597d\u662f\u9898\u76ee\u56fe\u7247
\u8bf7\u53c2\u8003
\u542b\u6709\u672a\u77e5\u91cf\u7684\u7b49\u5f0f\u5c31\u662f\u65b9\u7a0b\u4e86\uff0c\u6570\u5b66\u6700\u5148\u53d1\u5c55\u4e8e\u8ba1\u6570\uff0c\u800c\u5173\u4e8e\u6570\u548c\u672a\u77e5\u6570\u4e4b\u95f4\u901a\u8fc7\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u548c\u5e42\u7b49\u8fd0\u7b97\u7ec4\u5408\uff0c\u5f62\u6210\u4ee3\u6570\u65b9\u7a0b\uff1a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u3001\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7b49\u7b49\u3002\u7136\u800c\uff0c\u968f\u7740\u51fd\u6570\u6982\u5ff5\u7684\u51fa\u73b0\uff0c\u4ee5\u53ca\u57fa\u4e8e\u51fd\u6570\u7684\u5fae\u5206\u3001\u79ef\u5206\u8fd0\u7b97\u7684\u5f15\u5165\uff0c\u4f7f\u5f97\u65b9\u7a0b\u7684\u8303\u7574\u66f4\u5e7f\u6cdb\uff0c\u672a\u77e5\u91cf\u53ef\u4ee5\u662f\u51fd\u6570\u3001\u5411\u91cf\u7b49\u6570\u5b66\u5bf9\u8c61\uff0c\u8fd0\u7b97\u4e5f\u4e0d\u518d\u5c40\u9650\u4e8e\u52a0\u51cf\u4e58\u9664\u3002
\u65b9\u7a0b\u5728\u6570\u5b66\u4e2d\u5360\u6709\u91cd\u8981\u7684\u5730\u4f4d\uff0c\u4f3c\u4e4e\u662f\u6570\u5b66\u6c38\u6052\u7684\u8bdd\u9898\u3002\u65b9\u7a0b\u7684\u51fa\u73b0\u4e0d\u4ec5\u6781\u5927\u6269\u5145\u4e86\u6570\u5b66\u5e94\u7528\u7684\u8303\u56f4\uff0c\u4f7f\u5f97\u8bb8\u591a\u7b97\u672f\u89e3\u9898\u6cd5\u4e0d\u80fd\u89e3\u51b3\u7684\u95ee\u9898\u80fd\u591f\u5f97\u4ee5\u89e3\u51b3\uff0c\u800c\u4e14\u5bf9\u540e\u6765\u6574\u4e2a\u6570\u5b66\u7684\u8fdb\u5c55\u4ea7\u751f\u5de8\u5927\u7684\u5f71\u54cd\u3002\u7279\u522b\u662f\u6570\u5b66\u4e2d\u7684\u8bb8\u591a\u91cd\u5927\u53d1\u73b0\u90fd\u4e0e\u5b83\u5bc6\u5207\u76f8\u5173\u3002
\u4e2d\u5b66\u9636\u6bb5\u63a5\u89e6\u5230\u65b9\u7a0b\u57fa\u672c\u90fd\u5728\u8fd9\u4e2a\u8303\u7574\uff0c\u65b9\u7a0b\u4e2d\u7684\u672a\u77e5\u6570\uff0c\u53ef\u4ee5\u51fa\u73b0\u5728\u65b9\u7a0b\u4e2d\u7684\u5206\u5f0f\u3001\u6574\u5f0f\u3001\u6839\u5f0f\u4ee5\u53ca\u4e09\u89d2\u51fd\u6570\u3001\u6307\u6570\u51fd\u6570\u7b49\u521d\u7b49\u51fd\u6570\u7684\u81ea\u53d8\u91cf\u4e2d\u3002
\u4e8c\u5143\u4e8c\u6b21\u65b9\u7a0b\u7ec4
\u5728\u4e2d\u5b66\u9636\u6bb5\u9047\u5230\u65b9\u7a0b\u6c42\u89e3\u95ee\u9898\uff0c\u4e00\u822c\u5730\uff0c\u53ef\u5c06\u65b9\u7a0b\u8f6c\u6362\u4e3a\u6574\u5f0f\u65b9\u7a0b\uff1b\u4e00\u822c\u90fd\u662f\u8f6c\u6362\u4e3a\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff0c\u6216\u8005\u591a\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u7684\u6c42\u89e3\u95ee\u9898\u3002
\u81ea\u4ece\u6570\u5b66\u4ece\u5e38\u91cf\u6570\u5b66\u8f6c\u53d8\u4e3a\u53d8\u91cf\u6570\u5b66\uff0c\u65b9\u7a0b\u7684\u5185\u5bb9\u4e5f\u968f\u4e4b\u4e30\u5bcc\uff0c\u56e0\u4e3a\u6570\u5b66\u5f15\u5165\u4e86\u66f4\u591a\u7684\u6982\u5ff5\uff0c\u66f4\u591a\u7684\u8fd0\u7b97\uff0c\u4ece\u800c\u5f62\u6210\u4e86\u66f4\u591a\u7684\u65b9\u7a0b\u3002\u5176\u4ed6\u81ea\u7136\u79d1\u5b66\uff0c\u5c24\u5176\u7269\u7406\u5b66\u7684\u53d1\u5c55\u4e5f\u76f4\u63a5\u63d0\u51fa\u4e86\u65b9\u7a0b\u89e3\u51b3\u7684\u9700\u6c42\uff0c\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u7814\u7a76\u8bfe\u9898\u3002
\u5e38\u5fae\u5206\u65b9\u7a0b
\u5fae\u5206\u65b9\u7a0b\u6307\u7684\u662f\uff1a\u542b\u6709\u672a\u77e5\u51fd\u6570\u53ca\u5176\u5bfc\u6570\u7684\u65b9\u7a0b\u3002\u8be5\u7c7b\u65b9\u7a0b\u7684\u672a\u77e5\u91cf\u662f\u51fd\u6570\uff0c\u4e0d\u540c\u4e8e\u51fd\u6570\u65b9\u7a0b\u7684\u662f\uff0c\u5bf9\u672a\u77e5\u51fd\u6570\u6709\u6c42\u5bfc\u8fd0\u7b97\uff0c\u4e14\u53ef\u4ee5\u662f\u9ad8\u9636\u5bfc\u6570\u3002\u7136\u800c\uff0c\u5982\u679c\u65b9\u7a0b\u4e2d\u7684\u672a\u77e5\u51fd\u6570\u53ea\u542b\u6709\u4e00\u4e2a\u81ea\u53d8\u91cf\uff0c\u90a3\u4e48\u5fae\u5206\u65b9\u7a0b\u5c31\u662f\u5e38\u5fae\u5206\u65b9\u7a0b\u4e86\u3002
你这是道什么题啊!是上面的那个?作业本上或者是说。练习册上的题目。还是下面的显示出来的,你们秀的花上面的问题啊?
如果是练习册上的那四个图片。和问题。这个可以说我无法判断,填空的前面那个三个字,看不清楚,你能不能拍清楚一点?
你这是道什么题啊!是上面的那个?作业本上或者是说。练习册上的题目。还是下面的显示出来的,你们秀的花上面的问题啊?
如果是练习册上的那四个图片。和问题。这个可以说我无法判断,填空的前面那个三个字,看不清楚,你能不能拍清楚一点?
绛旓細锛1锛夎繘琛屽姣 锛2锛塀璇曠涓殑閰氶厼婧舵恫鎱㈡參鍙樼孩鑹诧紝C璇曠涓殑閰氶厼婧舵恫寰堝揩鍙樼孩鑹层傦紙3锛夆憼 鍒嗗瓙鏄瑙傚瓨鍦紝骞舵诲湪涓嶆柇杩愬姩鐨 鈶 娓╁害瓒婇珮锛屽垎瀛愯繍鍔ㄩ熷害瓒婂揩銆傦紙4锛夎兘灏介噺闃叉姘ㄦ皵閫稿嚭锛屾洿鑳戒綋楠屽寲瀛﹀彉鍖栫殑杩囩▼锛涜兘澶熻鏄庡垎瀛愯繍鍔ㄧ殑蹇參绛夈傘愯В鏋愩戣瘯棰樺垎鏋愶細娴撴皑姘村叿鏈夋尌鍙戞э紝鎸ュ彂鎬ф皑姘旈亣鍒扮殑閰...
绛旓細锛5锛墄灏忔椂鍚庡揩杞﹁拷涓婃參杞︼紟鏍规嵁棰樻剰蹇溅琛岀殑璺▼鏄參杞﹀厛琛1灏忔椂鐨勮矾绋+鎱㈣溅涓庡揩杞﹀悓鏃惰鐨勮矾绋+鐢蹭箼涓ゅ湴鐩歌窛鐨480鍏噷 90脳锛坸+1锛+480=140x锛90x+90+480=140x锛140x-90x=570锛寈=570梅50锛寈=11.4锛涚瓟锛11.4灏忔椂鍚庡揩杞﹁拷涓婃參杞︼紟
绛旓細锛1锛夋牴鎹棆杞殑鎬ц川鍙緱OC=CD锛屸垹OCD=60掳锛岀劧鍚庢牴鎹湁涓涓唴瑙掓槸60掳鐨勭瓑鑵颁笁瑙掑舰鏄瓑杈逛笁瑙掑舰鍒ゅ畾鍗冲彲锛涳紙2锛夋牴鎹棆杞殑鎬ц川鍙緱鈭燗DC=伪锛岀劧鍚庢眰鍑衡垹ADO=90掳锛屽嵆鍙緱瑙o紱锛3锛夊垎AO=AD鏃讹紝琛ㄧず鍑衡垹AOC=鈭燗DC=伪锛岀劧鍚庢牴鎹懆瑙掔瓑浜庡垪寮忔眰瑙e嵆鍙紱DA=DO鏃讹紝鍏堣〃绀哄嚭鈭燗DO锛屽啀鏍规嵁绛夎叞涓夎褰...
绛旓細瑙o細锛1锛夎嫢璁捐喘杩汚绉嶅僵绁▁寮狅紝B绉嶅僵绁▂寮狅紝鏍规嵁棰樻剰寰楋細x+y=1000脳20锛1.5x+2y=45000锛岃В寰楋細x=锕10000锛寉=30000锛屸埖x锛0锛屾棤瑙o紱鑻ヨ璐繘A绉嶅僵绁▁寮狅紝C绉嶅僵绁▂寮狅紝鏍规嵁棰樻剰寰楋細x+y=1000脳20锛1.5x+2.5y=45000锛岃В寰楋細x=5000锛寉=15000锛岃嫢璁捐喘杩汢绉嶅僵绁▁寮狅紝C绉嶅僵绁▂寮狅紝鏍...
绛旓細鍒嗘瀽锛氬彲鍏堢‘瀹氳兘琚8鏁撮櫎鐨勬暟鐨勭壒寰佸拰鑳借11鏁撮櫎鐨勬暟鐨勭壒寰侊紝鐒跺悗鍐嶇‘瀹氳兘鍚屾椂琚8鍜11鏁撮櫎鐨勬暟鐨勭壒寰侊紝鍗冲彲鐭ラ亾鏂规鍐呮墍濉殑鏁帮紝鐢ㄨ繖涓叚浣嶆暟闄や互88鍗冲彲寰楀埌鍟嗘槸澶氬皯锛庤В绛旓細瑙o細涓涓暟濡傛灉鏄88鐨勫嶆暟锛岃繖涓鏁板繀鐒舵棦鏄8鐨勫嶆暟锛屽張鏄11鐨勫嶆暟锛庢牴鎹8鐨勫嶆暟锛屽畠鐨勬湯涓変綅鏁拌偗瀹氫篃鏄8鐨勫嶆暟锛屼粠鑰屽彲鐭...
绛旓細1锛夌敱棰樻剰寰楃敳涔欑敓浜х嚎鐨勫叧绯诲紡锛屼护鍏剁浉绛夋眰瑙o紱锛2锛夌敱锛1锛夊彲鐭ワ紝鐢蹭箼鐢熶骇绾垮嚱鏁板浘璞$粡杩囩殑鐐癸紝璇诲浘姹傝В锛庤В绛旓細瑙o細锛1锛夌敱棰樻剰鍙緱锛氱敳鐢熶骇绾跨敓浜ф椂瀵瑰簲鐨勫嚱鏁板叧绯诲紡鏄痽=20x+200锛涗箼鐢熶骇绾跨敓浜ф椂瀵瑰簲鐨勫嚱鏁板叧绯诲紡涓簓=30x锛庝护20x+200=30x锛岃В寰梮=20锛屽嵆绗20澶╃粨鏉熸椂锛屼袱鏉$敓浜х嚎鐨勪骇閲...
绛旓細.鈶¤嫢100锛渪鈮200锛屽彲寰楋細x=18000/85=3600/17涓嶇鍚堥鎰忥紙鑸嶅幓锛夋墍浠ヨ繖涓ゆ墍瀛︽牎鎶ュ悕鍙傚姞鏃呮父鐨勫鐢熶汉鏁颁箣鍜岀瓑浜240浜猴紝瓒呰繃200浜恒2.瑙o細璁剧敳瀛︽牎鎶ュ悕鍙傚姞鏃呮父鐨勫鐢熸湁y浜猴紝涔欏鏍℃姤鍚嶅弬鍔犳梾娓哥殑瀛︾敓鏈墇浜恒傗憼褰100锛測鈮200鏃跺彲寰楋細y+z=240 85y+90z=20800 瑙e緱锛歽=160 x=80 鈶″綋y锛200鏃...
绛旓細瑙o細锛1锛夌敱鏉′欢寰1锛宐1锛宐2锛屸k锛1 3 锛1 9 鎴愮瓑宸暟鍒楋紝鎵浠ュ叕宸甦=- 2 9 锛宬=2锛屾墍浠ヨ繖2涓暟涓猴細b1= 7 9 锛宐2= 5 9 锛 ...
绛旓細瑙o細锛1锛夆埖鍥涜竟褰BCD鏄鏂瑰舰锛屸埓AB=BC锛屸垹ABC=鈭燩BA=90掳 鈭靛湪鈻砅BA鍜屸柍FBC涓紝AB=BC鈭燩BA=鈭燗BCBP=BF 锛屸埓鈻砅BA鈮屸柍FBC锛圫AS锛夛紝鈭碢A=FC锛屸垹PAB=鈭燜CB锛庘埖PA=PE锛屸埓PE=FC锛庘埖鈭燩AB+鈭燗PB=90掳锛屸埓鈭燜CB+鈭燗PB=90掳锛庘埖鈭燛PA=90掳锛屸埓鈭燗PB+鈭燛PA+鈭燜CP=180掳锛屽嵆鈭燛PC+...
绛旓細2000梅锛60+40锛夛紝=2000梅100锛=20锛堝垎锛夛紱鐙楁墍璧拌矾绋嬶細120脳20=2400锛堢背锛夛紱缁煎悎绠楀紡锛120脳[2000梅锛60+40锛塢锛=120脳20锛=2400锛堢背锛夛紱绛旓細鐙楀叡璺戜簡2400绫筹紟