题目内容
解方程
| 20%x=100 | x-
|
(1)
x=10,
x÷
=10÷
,
x=12.5;
(2)20%x=100,
20%x÷20%=100÷20%,
x=500;
(3)x-
x=12,
x=12,
x÷
=12÷
,
x=36.
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
x=12.5;
(2)20%x=100,
20%x÷20%=100÷20%,
x=500;
(3)x-
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
x=36.
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