问题
解答题
2.4:
|
答案
(1)2.4:
,3 7
=
:12 5
,3 7
=(
×12 5
):(35 3
×3 7
),35 3
=28:5;
(2)2.4:
,3 7
=2.4×
,7 3
=5.6.
2.4:
|
(1)2.4:
,3 7
=
:12 5
,3 7
=(
×12 5
):(35 3
×3 7
),35 3
=28:5;
(2)2.4:
,3 7
=2.4×
,7 3
=5.6.