题目内容
解方程
|
1.2:
|
(1)
x-1.4=3.6+
x,
x-1.4-
x=3.6+
x-
x,
x-1.4=3.6,
x-1.4+1.4=3.6+1.4,
x=5,
x÷
=5÷
,
x=60,
(2)1.2:
=
,
x=1.2×5,
x=6,
x÷
=6÷
,
x=9.
3 |
4 |
2 |
3 |
3 |
4 |
2 |
3 |
2 |
3 |
2 |
3 |
1 |
12 |
1 |
12 |
1 |
12 |
1 |
12 |
1 |
12 |
1 |
12 |
x=60,
(2)1.2:
2 |
3 |
x |
5 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
x=9.
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