问题
解答题
化简比.
|
答案
:2 3
,5 18
=(
×18):(2 3
×18),5 18
=12:5;
12:0.8,
=(12×10):(0.8×10),
=120:8,
=(120÷8):(8÷8),
=15:1.
化简比.
|
:2 3
,5 18
=(
×18):(2 3
×18),5 18
=12:5;
12:0.8,
=(12×10):(0.8×10),
=120:8,
=(120÷8):(8÷8),
=15:1.