题目内容
直接写得数:
(1)
÷3=
(2)10÷10%=
(3)
÷
=
(4)
×
÷
×
=
(5)
×(0.4-
)=
(1)
| 1 |
| 3 |
(2)10÷10%=
(3)
| 3 |
| 4 |
| 4 |
| 3 |
(4)
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 1 |
| 4 |
(5)
| 7 |
| 8 |
| 2 |
| 5 |
考点:分数除法,分数的四则混合运算
专题:运算顺序及法则
分析:把10÷10%改写成10÷0.1计算;
把
×
÷
×
改写成
÷
×
×
再计算得解;
×(0.4-
),按照先算括号里面的运算,再算括号外面的运算;
其它算式按照分数除法的计算方法计算得解.
把
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 4 |
| 7 |
| 1 |
| 4 |
| 1 |
| 4 |
| 7 |
| 8 |
| 2 |
| 5 |
其它算式按照分数除法的计算方法计算得解.
解答:
解:(1)
÷3=
(2)10÷10%=100
(3)
÷
=
(4)
×
÷
×
=
÷
×
×
=
(5)
×(0.4-
)
=
×0
=0.
| 1 |
| 3 |
| 1 |
| 9 |
(2)10÷10%=100
(3)
| 3 |
| 4 |
| 4 |
| 3 |
| 9 |
| 16 |
(4)
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 1 |
| 4 |
=
| 4 |
| 7 |
| 4 |
| 7 |
| 1 |
| 4 |
| 1 |
| 4 |
=
| 1 |
| 16 |
(5)
| 7 |
| 8 |
| 2 |
| 5 |
=
| 7 |
| 8 |
=0.
点评:完成此类直接写得数题目时要认真分析式中数据,然后快速准确得出答案;特别要注意第四小题的计算过程.
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