题目内容
解方程或解比例.
| x-0.5x=27.5 | (x-6)×(1+40%)=56 | 9:x=
|
(1)x-0.5x=27.5,
0.5x÷0.5=27.5÷0.5,
x=55;
(2)(x-6)×(1+40%)=56,
(x-6)×1.4÷1.4=56÷1.4,
x-6+6=40+6,
x=46;
(3)9:x=
:
,
x=9×
,
x÷
=3÷
,
x=15.
0.5x÷0.5=27.5÷0.5,
x=55;
(2)(x-6)×(1+40%)=56,
(x-6)×1.4÷1.4=56÷1.4,
x-6+6=40+6,
x=46;
(3)9:x=
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
x=15.
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