试题:
3÷4=
(    )
28
=(  )÷16═
6
(   )
______(填小数)

答案:

我来补答
3÷4=
21
28
=12÷16=
6
8
=0.75;
故答案为:21,12,8,0.75.
 
 
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这些题目你会做吗?