题目内容
解方程.
(1)1.5x+20%x=5.95
(2)x:0.4=
:0.3.
(1)1.5x+20%x=5.95
(2)x:0.4=
| 1 |
| 2 |
(1)1.5x+20%x=5.95,
1.7x=5.95,
1.7x÷1.7=5.95÷1.7,
x=3.5;
(2)x:0.4=
:0.3,
0.3x=
×0.4,
0.3x÷0.3=0.2÷0.3,
x=
.
1.7x=5.95,
1.7x÷1.7=5.95÷1.7,
x=3.5;
(2)x:0.4=
| 1 |
| 2 |
0.3x=
| 1 |
| 2 |
0.3x÷0.3=0.2÷0.3,
x=
| 2 |
| 3 |
练习册系列答案
相关题目