41/2:1.5化成最简整数比是_,比值是_.
问题描述:
4
:1.5化成最简整数比是______,比值是______. 1 2
答
(1)4
:1.51 2
=(4.5×2):(1.5×2)
=9:3
=3:1;
(2)4
:1.51 2
=3:1
=3÷1
=3.
故答案为:3:1,3.