题目内容
(2009?龙湖区)直接写出得数.
9+0.9=,0.5×1.2=,24÷
=,
×
=
2.625-1
=,99×0=,
×50%=,1÷
×
=
9+0.9=,0.5×1.2=,24÷
3 |
4 |
3 |
5 |
5 |
7 |
2.625-1
5 |
8 |
1 |
2 |
1 |
7 |
1 |
7 |
分析:根据小数与分数加减乘除的计算方法进行计算,能简算的要简算.
解答:解:9+0.9=9.9 0.5×1.2=0.6 24÷
=32
×
=
2.625-1
=1 99×0=0
×50%=0.25 1÷
×
=1
故答案为:9.9,0.6,32,
,1,0,0.25,1.
3 |
4 |
3 |
5 |
5 |
7 |
3 |
7 |
2.625-1
5 |
8 |
1 |
2 |
1 |
7 |
1 |
7 |
故答案为:9.9,0.6,32,
3 |
7 |
点评:口算时,要灵活运用所学的小数与分数计算的知识进行计算,小数计算要注意小数点的位置.
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