题目内容
| 解方程. x-
| 25%x=75 | x÷
|
(1)x-
x=24,
x=24,
x÷
=24÷
,
x=54;
(2)25%x=75,
25%x÷25%=75÷25%,
x=300;
(3)x÷
=
,
x÷
×
=
×
,
x=
.
| 5 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
x=54;
(2)25%x=75,
25%x÷25%=75÷25%,
x=300;
(3)x÷
| 5 |
| 8 |
| 7 |
| 15 |
x÷
| 5 |
| 8 |
| 5 |
| 8 |
| 7 |
| 15 |
| 5 |
| 8 |
x=
| 7 |
| 24 |
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