问题 填空题
4
15
2
9
化成最简单整数比是______,比值是______.
答案

(1)

4
15
2
9

=(

4
15
×45):(
2
9
×45
),

=12:10,

=6:5;

(2)

4
15
2
9

=

4
15
÷
2
9

=1.2;

故答案为:6:5,1.2.

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