题目内容
解方程.
X+6÷
=14
X-15%X=37.4.
| 2 |
| 5 |
| 3 |
| 4 |
X-15%X=37.4.
(1)
X+6÷
=14,
x+8=14,
x+8-8=14-8,
x÷
=6÷
,
x=15;
(2)X-15%X=37.4,
85%x=37.4,
85%x÷85%=37.4÷85%,
x=44.
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
x=15;
(2)X-15%X=37.4,
85%x=37.4,
85%x÷85%=37.4÷85%,
x=44.
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