41/2:1.5化成最简整数比是_,比值是_.

问题描述:

4

1
2
:1.5化成最简整数比是______,比值是______.

(1)4

1
2
:1.5
=(4.5×2):(1.5×2)
=9:3
=3:1;
(2)4
1
2
:1.5
=3:1
=3÷1
=3.
故答案为:3:1,3.