问题
解答题
求比值: (1)84:168 (2)0.25:1 (3)
|
答案
①84÷168=
=84 168
=84÷84 168÷84
;1 2
②0.25:1=
:1=25 100
;1 4
③
:4 5
=1 10
÷4 5
=1 10
×10=8.4 5
求比值: (1)84:168 (2)0.25:1 (3)
|
①84÷168=
=84 168
=84÷84 168÷84
;1 2
②0.25:1=
:1=25 100
;1 4
③
:4 5
=1 10
÷4 5
=1 10
×10=8.4 5