题目内容
| 解方程或比例. ①x÷4=56 | ②
| ③
|
(1)x÷4=56,
x÷4×4=56×4,
x=224;
(2)
x-
=
,
x-
+
=
+
,
x=
,
x
=
÷
,
x=
;
(3)
:x=5:0.4,
5x=
×0.4,
5x=0.1,
5x÷5=0.1÷5,
x=0.02.
x÷4×4=56×4,
x=224;
(2)
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 5 |
| 6 |
| 2 |
| 3 |
| 2 |
| 3 |
| 5 |
| 6 |
| 2 |
| 3 |
x=
| 5 |
| 4 |
(3)
| 1 |
| 4 |
5x=
| 1 |
| 4 |
5x=0.1,
5x÷5=0.1÷5,
x=0.02.
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