问题
填空题
把0.45:0.9化成最简整数比是______:______,比值是______.
答案
(1)0.45:0.9,
=(0.45×20):(0.9×20),
=9:18,
=1:2;
(2)0.45:0.9,
=1:2,
=1÷2,
=
;1 2
故答案为:1,2,
.1 2
把0.45:0.9化成最简整数比是______:______,比值是______.
(1)0.45:0.9,
=(0.45×20):(0.9×20),
=9:18,
=1:2;
(2)0.45:0.9,
=1:2,
=1÷2,
=
;1 2
故答案为:1,2,
.1 2