题目内容
直接写出得数.
2÷0.01=
-(
+
)=
5.6+3.99=
2×9.9=
+
×21=
+
2÷0.01=
200
200
1| 3 |
| 7 |
| 2 |
| 3 |
| 3 |
| 7 |
| 1 |
| 3 |
| 1 |
| 3 |
9.59
9.59
1.7÷2.5=0.68
0.68
2×9.9=
19.8
19.8
| 2 |
| 3 |
| 1 |
| 4 |
| 11 |
| 12 |
| 11 |
| 12 |
| 19 |
| 20 |
19
| 19 |
| 20 |
19
| 19 |
| 20 |
| 6 |
| 5 |
| 5 |
| 6 |
2
| 1 |
| 30 |
2
.| 1 |
| 30 |
分析:本题包含有小数乘除、加减法、分数乘法、加减法等算式,根据它们的计算法则完成即可,部分算式能用简便方法计算.
解答:解:2÷0.01=200 1
-(
+
)=
5.6+3.99=9.59 1.7÷2.5=0.68
2×9.9=19.8
+
=
×21=19
+
=2
故答案为:200,
,9.59,0.68,19.8,
,19
,2
.
| 3 |
| 7 |
| 2 |
| 3 |
| 3 |
| 7 |
| 1 |
| 3 |
2×9.9=19.8
| 2 |
| 3 |
| 1 |
| 4 |
| 11 |
| 12 |
| 19 |
| 20 |
| 19 |
| 20 |
| 6 |
| 5 |
| 5 |
| 6 |
| 1 |
| 30 |
故答案为:200,
| 1 |
| 3 |
| 11 |
| 12 |
| 19 |
| 20 |
| 1 |
| 30 |
点评:完成本题要细心分析数据,能简便计算要简便计算,快速准确得出答案.
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