12-09
12-09
12-09
proper arrangement of classroom
12-09
12-09
12-09
we need more practice is quite clear
12-09
12-09
12-09
how far is it from your home to school
12-09
12-09
12-09
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方程,怎么做,代人
12-09
12-09
12-09
proper arrangement of classroom
12-09
12-09
12-09
we need more practice is quite clear
12-09
12-09
12-09
how far is it from your home to school
12-09
12-09
12-09
题目3.5x+0.5x=12.8解方程并检验怎么做可圈可点用户2021-02-07 05:05优质解答3.5x+0.5x=12.8解：3.5x+0.5=12.83.5x=12.8-0.53.5x=12.3x=123/35检验：将x=123/
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题目
3.5x+0.5x=12.8解方程并检验怎么做
可圈可点用户
2021-02-07 05:05
优质解答
3.5x+0.5x=12.8
解：
3.5x+0.5=12.8
3.5x=12.8-0.5
3.5x=12.3
x=123/35
检验：
将x=123/35代人原方程
左边=3.5×123/35+0.5
=12.3+0.5
=12.8
=右边
所以，
x=123/35是方程的解。
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