问题
解答题
求比值:
7.5:0.75. |
答案
(1)
:3 7
,5 21
=
÷3 7
,5 21
=
×3 7
,21 5
=
;9 5
(2)7.5:0.75,
=7.5÷0.75,
=10.
求比值:
7.5:0.75. |
(1)
:3 7
,5 21
=
÷3 7
,5 21
=
×3 7
,21 5
=
;9 5
(2)7.5:0.75,
=7.5÷0.75,
=10.