题目内容
| 解比例或方程. (1)4.5x+3.8x=l6.6 | (2)
|
(1)4.5x+3.8x=l6.6,
8.3x=16.6,
8.3x÷8.3=16.6÷8.3,
x=2;
(2)
:x=
:
,
x=
×
,
x÷
=
÷
,
x=
.
8.3x=16.6,
8.3x÷8.3=16.6÷8.3,
x=2;
(2)
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| 24 |
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x=
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