题目内容
解方程.
| 6x+2x=5.6 |
|
|
(1)6x+2x=5.6,
8x=5.6,
8x÷8=5.6÷8,
x=0.7;
(2)
x=
,
x×3=
×3,
x=
;
(3)
+
x=1,
+
x-
=1-
,
x=
,
x×2=
×2,
x=
.
8x=5.6,
8x÷8=5.6÷8,
x=0.7;
(2)
| 1 |
| 3 |
| 5 |
| 12 |
| 1 |
| 3 |
| 5 |
| 12 |
x=
| 5 |
| 4 |
(3)
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
x=
| 4 |
| 3 |
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