题目内容
| 直接写出得数: 5.46+1.56+3= |
63×
|
|
3.4-0.8= | ||||||||||
| 0.99×9+0.99= |
6:8= |
21.7÷7= |
18+18+18= | ||||||||||
|
1-
|
|
2006-16= |
分析:小数、分数的计算和在计算中合理运用简便方法,求比值.
解答:解:5.46+1.56+3=10,63×
=9,
+
=
,3.4-0.8=2.6,
0.99×9+0.99=9.9,6:8=
(0.75),21.7÷7=3.1,18+18+18=54,
÷25%×
=
,1-
=
,
×
=
,2006-16=1990.
故答案为:10,9,
,2.6,9.9,
(0.75),3.1,54,
,
,
,1990.
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0.99×9+0.99=9.9,6:8=
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故答案为:10,9,
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| 10 |
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点评:考查学生的基本计算能力.
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