方程两边是负数怎么办,如负二十分之一x等于负一 -0.05x=-1

发布网友 发布时间:2022-04-25 06:27

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热心网友 时间:2023-09-10 06:48

两边负号可以直接约去,相当于两边同乘以或者除以负一。所以两边都是正的。正确答案20

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热心网友 时间:2023-09-10 06:48

-0.05X=-1,两边同时乘以或者除以-1,得:0.05x=1,再两边同时除以0.05得.x=1/0.05.分子分母同时乘以100.得,x=100/5.解得.x=20

热心网友 时间:2023-09-10 06:49

直接变正 0.05x=1
~期望您的采纳~
~谢谢~
o(︶︿︶)o

热心网友 时间:2023-09-10 06:49

  -0.05x=-1
  则x=(-1)/(-0.05)=1/0.05=20

热心网友 时间:2023-09-10 06:50

两边负号都去掉 就变成 0.05x=1

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