题目内容
解方程或比例.
①x÷
=30
②
x-
x=7
③
:10=
:x
④
=
.
①x÷
| 5 |
| 6 |
②
| 3 |
| 5 |
| 1 |
| 4 |
③
| 8 |
| 11 |
| 4 |
| 5 |
④
| 0.7 |
| 0.5 |
| x |
| 35 |
①x÷
=30,
x÷
×
=30×
,
x=25;
②
x-
x=7,
(
-
)x=7,
x=7,
x×
=7×
,
x=20;
③
:10=
:x,
x=
×10,
x=8,
x×
=8×
,
x=11;
④
=
,
0.5x=35×0.7,
0.5x÷0.5=24.5÷0.5,
x=49.
| 5 |
| 6 |
x÷
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
x=25;
②
| 3 |
| 5 |
| 1 |
| 4 |
(
| 3 |
| 5 |
| 1 |
| 4 |
| 7 |
| 20 |
| 7 |
| 20 |
| 20 |
| 7 |
| 20 |
| 7 |
x=20;
③
| 8 |
| 11 |
| 4 |
| 5 |
| 8 |
| 11 |
| 4 |
| 5 |
| 8 |
| 11 |
| 8 |
| 11 |
| 11 |
| 8 |
| 11 |
| 8 |
x=11;
④
| 0.7 |
| 0.5 |
| x |
| 35 |
0.5x=35×0.7,
0.5x÷0.5=24.5÷0.5,
x=49.
练习册系列答案
相关题目