题目内容
解方程:
x-
x=12
8:2.5=x:0.5
=
.
| 1 |
| 3 |
| 1 |
| 4 |
8:2.5=x:0.5
| 3.6 |
| x |
| 1 |
| 400000 |
(1)
x-
x=12,
x=12,
x×12=12×12,
x=144,
(2)8:2.5=x:0.5,
2.5x=8×0.5,
2.5x÷2.5=4÷2.5,
x=1.6,
(3)
=
.
x=3.6×400000,
x=1440000.
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 12 |
x=144,
(2)8:2.5=x:0.5,
2.5x=8×0.5,
2.5x÷2.5=4÷2.5,
x=1.6,
(3)
| 3.6 |
| x |
| 1 |
| 400000 |
x=3.6×400000,
x=1440000.
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