题目内容
求未知数x.
(1)4x+0.8x=9.6
(2)x:
=6:5.
(1)4x+0.8x=9.6
(2)x:
| 5 |
| 6 |
(1)4x+0.8x=9.6,
4.8x=9.6,
4.8x÷4.8=9.6÷4.8,
x=2;
(2)x:
=6:5,
5x=
×6,
5x=5,
5x÷5=5÷5,
x=1.
4.8x=9.6,
4.8x÷4.8=9.6÷4.8,
x=2;
(2)x:
| 5 |
| 6 |
5x=
| 5 |
| 6 |
5x=5,
5x÷5=5÷5,
x=1.
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