题目内容
2.3x+
| x:4
|
(1)2.3x+
=1
,
2.3x+
-
=1
-
,
2.3x÷2.3=
÷2.3,
x=0.5;
(2)x:4
=1
:1.5,
1.5x=4
×1
,
1.5x÷2=6÷1.5,
x=4.
| 4 |
| 15 |
| 5 |
| 12 |
2.3x+
| 4 |
| 15 |
| 4 |
| 15 |
| 5 |
| 12 |
| 4 |
| 15 |
2.3x÷2.3=
| 69 |
| 60 |
x=0.5;
(2)x:4
| 2 |
| 3 |
| 2 |
| 7 |
1.5x=4
| 2 |
| 3 |
| 2 |
| 7 |
1.5x÷2=6÷1.5,
x=4.
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