问题
解答题
把下面各比化成最简整数比. 15:12 1.8:0.6
|
答案
15:12
=(15÷3):(12÷3)
=5:4
1.8:0.6
=(1.8×5):(0.6×5)
=9:3
=3:1
:1 3 3 4
=(
×12):(1 3
×12)3 4
=4:9.
把下面各比化成最简整数比. 15:12 1.8:0.6
|
15:12
=(15÷3):(12÷3)
=5:4
1.8:0.6
=(1.8×5):(0.6×5)
=9:3
=3:1
:1 3 3 4
=(
×12):(1 3
×12)3 4
=4:9.