问题
解答题
|
答案
①
:8 5
=2 3
÷8 5
=2 3
×8 5
=3 2
;12 5
②0.14:0.56=
:14 100
=56 100
÷14 100
=56 100
×14 100
=100 56
;1 4
③
:1 2
=1 4
÷1 2
=1 4
× 4=2;1 2
④2:0.5=2:
=2:5 10
=2÷1 2
=2×2=4.1 2
|
①
:8 5
=2 3
÷8 5
=2 3
×8 5
=3 2
;12 5
②0.14:0.56=
:14 100
=56 100
÷14 100
=56 100
×14 100
=100 56
;1 4
③
:1 2
=1 4
÷1 2
=1 4
× 4=2;1 2
④2:0.5=2:
=2:5 10
=2÷1 2
=2×2=4.1 2