问题 填空题

7.6÷0.42=______÷4.2=7600÷______.

答案

7.6÷0.42,

=(7.6×10)÷(0.42×10),

=76÷4.2;

7.6÷0.42,

=(7.6×1000)÷(0.42×1000),

=7600÷420;

故答案为:76,420.

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