问题 填空题

1.5﹕2.5化成最简整数比是______比值是______.

答案

(1)1.5:2.5,

=(1.5×10):(2.5×10),

=15:25,

=(15÷5):(25÷5),

=3:5;

(2)1.5:2.5,

=1.5÷2.5,

=

3
5

故答案为:3:5;

3
5

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