题目内容
解方程.
2:2
=X:5
5%x+X=1.26.
2:2
| 1 |
| 2 |
5%x+X=1.26.
(1)2:2
=x:5,
2
x=2×5,
x×
=10×
,
x=4;
(2)5%x+x=1.26,
1.05x=1.26,
1.05x÷1.05=1.26÷1.05,
x=1.2.
| 1 |
| 2 |
2
| 1 |
| 2 |
| 5 |
| 2 |
| 2 |
| 5 |
| 2 |
| 5 |
x=4;
(2)5%x+x=1.26,
1.05x=1.26,
1.05x÷1.05=1.26÷1.05,
x=1.2.
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