题目内容
求未知数x
| 6x+0.5×7=6
| 2:x=
|
(1)
x-
x=7,
(
-
)x=7,
x=7,
x×6=7×6,
x=42;
(2)6x+0.5×7=6
,
6x+3.5=6.5,
6x+3.5-3.5=6.5-3.5,
6x=3,
6x÷6=3÷6,
x=0.5;
(3)2:x=
:
,
x=2×
,
x×4=
×4,
x=6.
| 2 |
| 3 |
| 1 |
| 2 |
(
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 6 |
x=42;
(2)6x+0.5×7=6
| 1 |
| 2 |
6x+3.5=6.5,
6x+3.5-3.5=6.5-3.5,
6x=3,
6x÷6=3÷6,
x=0.5;
(3)2:x=
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
| 3 |
| 2 |
x=6.
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