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问题 解答题

小数0.3与0.30大小相同，但是计数单位不同．______．（判断对错）

答案

0.3=0.30，0.3的计数单位是0.1，0.30的计数单位是0.01，

所以0.3和0.30的大小相等，但是计数单位不同．

故答案为：√．

计算题
脱式计算。
（1）200-14×8（2）12×3×4（3）82+15×9
（4）104×6×2（5）33×4-8（6）（18+12）×8
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完形填空
完形填空。
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