问题
填空题
12:20=______:2=______%═3÷______.
答案
(1)12:20=(12÷10):(20÷10)=1.2:2
(2)12:20=
=12 20
=60%60 100
(3)12:20=3:5=3÷5
故答案是1.2,60,5.
12:20=______:2=______%═3÷______.
(1)12:20=(12÷10):(20÷10)=1.2:2
(2)12:20=
=12 20
=60%60 100
(3)12:20=3:5=3÷5
故答案是1.2,60,5.