题目内容
求未知数x
+
x=1
x:50=1.5:5.
| 7 |
| 10 |
| 3 |
| 10 |
x:50=1.5:5.
(1)
+
x=1,
+
x-
=1-
,
x÷
=
÷
,
x=1;
(2)x:50=1.5:5,
5x=50×1.5,
5x÷5=75÷5,
x=15.
| 7 |
| 10 |
| 3 |
| 10 |
| 7 |
| 10 |
| 3 |
| 10 |
| 7 |
| 10 |
| 7 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
x=1;
(2)x:50=1.5:5,
5x=50×1.5,
5x÷5=75÷5,
x=15.
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