100-✘=(45-✘)✘4+4怎么解这个方程式? 简便计算
100-x=(45-x)\u00d74 +4\u600e\u4e48\u89e3\uff1f100-x=(45-x)\u00d74+4
100-x=180-4x+4
3x=84
x=28
\u6269\u5c55\u8d44\u6599
\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u89e3\u6cd5\uff1a
\uff081\uff09\u53bb\u5206\u6bcd\uff1a\u5728\u65b9\u7a0b\u4e24\u8fb9\u90fd\u4e58\u4ee5\u5404\u5206\u6bcd\u7684\u6700\u5c0f\u516c\u500d\u6570\uff1b
\uff082\uff09\u53bb\u62ec\u53f7\uff1a\u5148\u53bb\u5c0f\u62ec\u53f7\uff0c\u518d\u53bb\u4e2d\u62ec\u53f7\uff0c\u6700\u540e\u53bb\u5927\u62ec\u53f7\uff1b
\uff083\uff09\u79fb\u9879\uff1a\u628a\u542b\u6709\u672a\u77e5\u6570\u7684\u9879\u90fd\u79fb\u5230\u65b9\u7a0b\u7684\u4e00\u8fb9\uff0c\u5176\u4ed6\u9879\u90fd\u79fb\u5230\u65b9\u7a0b\u7684\u53e6\u4e00\u8fb9\uff1b\u79fb\u9879\u8981\u53d8\u53f7
\uff084\uff09\u5408\u5e76\u540c\u7c7b\u9879\uff1a\u628a\u65b9\u7a0b\u5316\u6210ax=b(a\u22600)\u7684\u5f62\u5f0f\uff1b
\uff085\uff09\u7cfb\u6570\u5316\u62101\u3002
(10-0.2)x25
解方程式计算100-x=(45-x)×4+4解题思路:解方程过程需要进行同类项合并,对未知数项和常数项分别进行合并,最后将未知数项系数化为1
解题过程:
100-x=(45-x)×4+4
100-x=180-4x+4
4x-x=180+4-100
x=84÷3
x=28
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这道题的答案是28,因为100 -x=45 -x的差乘4+4,就等于100 -x=180-4 x+4,那么,塞克斯加四零多少暖暖就等于16呀?那么,190就等于100剪x=180减十六九,还等于100 -x=164,当然,180-16就等于164号100+4 x-x
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