题目内容
0.2+0.78=
[ ]
A.0.32 B.0.98
C.0.23 D.1
答案:B
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你能很快算出下面各题的积吗
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(1)25 ×7.8= |
(2)2.5 ×78= |
(3)2.5 ×7.8= |
|
(4)250 ×7.8= |
(5)0.25 ×780= |
(6)2.5 ×0.78= |
|
(7)0.25 ×0.78= |
(8)250 ×780= |
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