问题
填空题
把4:0.8化成最简整数比是______,比值是______.
答案
4:0.8,
=(4×10):(0.8×10),
=40:8,
=(40÷8):(8÷8),
=5:1;
(2)4:0.8,
=4÷0.8,
=5;
故答案为:5:1;5.
把4:0.8化成最简整数比是______,比值是______.
4:0.8,
=(4×10):(0.8×10),
=40:8,
=(40÷8):(8÷8),
=5:1;
(2)4:0.8,
=4÷0.8,
=5;
故答案为:5:1;5.