问题
解答题
脱式计算. (1)35÷(
(2)
(3)
|
答案
(1)35÷(
÷6 5
),3 7
=35÷(
×6 5
),7 3
=35÷
,14 5
=35×
,5 14
=
;25 2
(2)
-3 8
×3 10
,5 6
=
-3 8
,1 4
=
;1 8
(3)
×5 9
÷6 25
,3 10
=
×5 9
×6 25
,10 3
=
.4 9
脱式计算. (1)35÷(
(2)
(3)
|
(1)35÷(
÷6 5
),3 7
=35÷(
×6 5
),7 3
=35÷
,14 5
=35×
,5 14
=
;25 2
(2)
-3 8
×3 10
,5 6
=
-3 8
,1 4
=
;1 8
(3)
×5 9
÷6 25
,3 10
=
×5 9
×6 25
,10 3
=
.4 9