题目内容
1.25:0.25=
|
|
|
(1)1.25:0.25=
,
0.25x=1.25×1.6,
0.25x÷0.25=2÷0.25,
x=8;
(2)
=
,
1.2x=2.5×3,
1.2x÷1.2=7.5÷1.2,
x=6.25;
(3)
:x=3:12,
3x=12×
,
3x÷3=9÷3,
x=3.
| x |
| 1.6 |
0.25x=1.25×1.6,
0.25x÷0.25=2÷0.25,
x=8;
(2)
| 1.2 |
| 2.5 |
| 3 |
| x |
1.2x=2.5×3,
1.2x÷1.2=7.5÷1.2,
x=6.25;
(3)
| 3 |
| 4 |
3x=12×
| 3 |
| 4 |
3x÷3=9÷3,
x=3.
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