题目内容
解方程
| 12x+7×30%=14.7. |
(1)
x+
x=
,
x=
,
x÷
=
÷
,
x=
;
(2)12x+7×30%=14.7,
12x+2.1-2.1=14.7-2.1,
12x=12.6,
12x÷12=12.6÷12,
x=1.05.
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x=
| 5 |
| 7 |
(2)12x+7×30%=14.7,
12x+2.1-2.1=14.7-2.1,
12x=12.6,
12x÷12=12.6÷12,
x=1.05.
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