题目内容
解方程,解比例.
(1)32.5:x=6.5:
(2)3x-6
=8.25.
(1)32.5:x=6.5:
| 2 |
| 5 |
(2)3x-6
| 3 |
| 4 |
(1)32.5:x=6.5:
,
6.5x=32.5×
,
x=13÷6.5,
x=2;
(2)3x-6
=8.25,
3x=8.25+6
,
x=15÷3,
x=5.
| 2 |
| 5 |
6.5x=32.5×
| 2 |
| 5 |
x=13÷6.5,
x=2;
(2)3x-6
| 3 |
| 4 |
3x=8.25+6
| 3 |
| 4 |
x=15÷3,
x=5.
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