题目内容
解方程.
5+
x=13
x÷20%=30.
5+
| 1 |
| 3 |
x÷20%=30.
(1)5+
x=13,
5+
x-5=13-5,
x=8,
x×3=8×3,
x=24;
(2)x÷20%=30,
x÷0.2=30,
x÷0.2×0.2=30×0.2,
x=6.
| 1 |
| 3 |
5+
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
x=24;
(2)x÷20%=30,
x÷0.2=30,
x÷0.2×0.2=30×0.2,
x=6.
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