题目内容
求未知数x.
=
2x-4×3=52.
| 0.25 |
| 1.25 |
| 1.6 |
| x |
2x-4×3=52.
(1)
=
,
0.25x=1.25×1.6,
0.25x÷0.25=2÷0.25,
x=8;
(2)2x-4×3=52,
2x-12=52,
2x-12+12=52+12,
2x÷2=64÷2,
x=32.
| 0.25 |
| 1.25 |
| 1.6 |
| x |
0.25x=1.25×1.6,
0.25x÷0.25=2÷0.25,
x=8;
(2)2x-4×3=52,
2x-12=52,
2x-12+12=52+12,
2x÷2=64÷2,
x=32.
练习册系列答案
相关题目