题目内容
(1)1减去
与
的和,所得的差除以
,商是多少?
(2)
与
的和除他们的差,商是多少?
(3)
减
的差乘一个数得
,求这个数.
(4)
加上
除以
的商,得到的和再乘
,积是几?
(5)一个数的
相当于25的
,求这个数.
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 4 |
(2)
| 1 |
| 5 |
| 1 |
| 6 |
(3)
| 4 |
| 5 |
| 2 |
| 3 |
| 2 |
| 7 |
(4)
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
(5)一个数的
| 2 |
| 3 |
| 4 |
| 5 |
(1)[1-(
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 4 |
=[1-
| 5 |
| 8 |
| 1 |
| 4 |
=
| 3 |
| 8 |
| 1 |
| 4 |
=
| 3 |
| 2 |
答:商是
| 3 |
| 2 |
(2)(
| 1 |
| 5 |
| 1 |
| 6 |
| 1 |
| 5 |
| 1 |
| 6 |
=
| 1 |
| 30 |
| 11 |
| 30 |
=
| 1 |
| 11 |
答:商是
| 1 |
| 11 |
(3)
| 2 |
| 7 |
| 4 |
| 5 |
| 2 |
| 3 |
=
| 2 |
| 7 |
| 2 |
| 15 |
=
| 15 |
| 7 |
答:这个数是
| 15 |
| 7 |
(4)[
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
=[
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
=1×
| 1 |
| 4 |
=
| 1 |
| 4 |
答:积是
| 1 |
| 4 |
(5)25×
| 4 |
| 5 |
| 2 |
| 3 |
=20÷
| 2 |
| 3 |
=30.
答:这个数是30.
练习册系列答案
相关题目