题目内容
列式计算:
(1)0.25加上
的和乘以
的倒数,积是多少?
(2)一个数的
比80的50%少5,这个数是多少?
(1)0.25加上
| 3 |
| 4 |
| 2 |
| 3 |
(2)一个数的
| 5 |
| 6 |
(1)(0.25+
)×(1÷
),
=1×
,
=
,
答:积是
.
(2)(80×50%-5)÷
,
=(40-5)÷
,
=35×
,
=42.
答:这个数是42.
| 3 |
| 4 |
| 2 |
| 3 |
=1×
| 3 |
| 2 |
=
| 3 |
| 2 |
答:积是
| 3 |
| 2 |
(2)(80×50%-5)÷
| 5 |
| 6 |
=(40-5)÷
| 5 |
| 6 |
=35×
| 6 |
| 5 |
=42.
答:这个数是42.
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