题目内容
求未知数X
| 3:
|
(1)
X+3=9.6,
X+3-3=9.6-3,
X=6.6,
X×5=6.6×5,
X=33;
(2)3:
=
:X,
3X=
×
,
3X=
,
3X÷3=
÷3,
X=
.
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
X=33;
(2)3:
| 1 |
| 2 |
| 1 |
| 4 |
3X=
| 1 |
| 2 |
| 1 |
| 4 |
3X=
| 1 |
| 8 |
3X÷3=
| 1 |
| 8 |
X=
| 1 |
| 24 |
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