问题
填空题
把0.8:2化成最简单的整数比是______,比值是______.
答案
(1)0.8:2,
=(0.8×10):(2×10),
=8:20,
=(8÷4):(20÷4),
=2:5;
(2)0.8:2,
=0.8÷2,
=0.4,
故答案为:2:5;0.4.
把0.8:2化成最简单的整数比是______,比值是______.
(1)0.8:2,
=(0.8×10):(2×10),
=8:20,
=(8÷4):(20÷4),
=2:5;
(2)0.8:2,
=0.8÷2,
=0.4,
故答案为:2:5;0.4.