问题 填空题

0.12÷0.3=______÷3 

0.672÷0.28=______÷______.

答案

0.12÷0.3

=(0.12×10)÷(0.3×10)

=1.2÷3 

=0.4

0.672÷0.28

=(0.672×100)÷(0.28×100)

=67.2÷28

=2.4

故答案为:1.2,67.2,28.

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