问题
解答题
|
答案
(1)32:48,
=32÷48,
=
,2 3
(2)
:3 7
,9 21
=
÷3 7
,9 21
=
×3 7
,21 9
=1,
(3)0.25:0.125,
=0.25÷0.125,
=2.
|
(1)32:48,
=32÷48,
=
,2 3
(2)
:3 7
,9 21
=
÷3 7
,9 21
=
×3 7
,21 9
=1,
(3)0.25:0.125,
=0.25÷0.125,
=2.