问题
填空题
15:75化成最简比是______,比值是______.
答案
(1)15:75,
=(15÷15):(75÷15),
=1:5;
(2)15:75,
=1:5,
=1÷5,
=0.2.
故答案为:1:5,0.2
15:75化成最简比是______,比值是______.
(1)15:75,
=(15÷15):(75÷15),
=1:5;
(2)15:75,
=1:5,
=1÷5,
=0.2.
故答案为:1:5,0.2