题目内容
4÷
|
|
6×
| ||||||||||
(
|
1÷
|
| ||||||||||
| 24%×5= |
分析:根据题意,(1)、(2)、(5)、(6)、(7)可直接用分数、百分数的四则混合运算进行计算,(3)、(4)可利用乘法分配律进行计算即可得到答案.
解答:解:(1)4÷
=5;
(2)
×6÷
=6;
(3)6×
+6×
=6×(
+
),
=6×1,
=6;
(4)(
+
)×16
=
×16+
×16,
=2+4,
=6;
(5)1÷
=1
;
(6)
×
=
;
(7)24%×5=1.2.
故答案为:5,6,6,6,1
,
,1.2.
| 4 |
| 5 |
(2)
| 7 |
| 8 |
| 7 |
| 8 |
(3)6×
| 2 |
| 5 |
| 3 |
| 5 |
=6×(
| 2 |
| 5 |
| 3 |
| 5 |
=6×1,
=6;
(4)(
| 1 |
| 8 |
| 1 |
| 4 |
=
| 1 |
| 8 |
| 1 |
| 4 |
=2+4,
=6;
(5)1÷
| 5 |
| 6 |
| 1 |
| 5 |
(6)
| 3 |
| 10 |
| 4 |
| 9 |
| 2 |
| 15 |
(7)24%×5=1.2.
故答案为:5,6,6,6,1
| 1 |
| 5 |
| 2 |
| 15 |
点评:此题主要考查的是分数、百分数的四则混合运算和乘法分配律.
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