问题
解答题
脱式计算
(
|
答案
÷(1-5 8
×3 4
)2 5
=
×5 8 10 7
=
;25 28
(
-2 3
÷1 3
)×5 9 9 10
=(
-2 3
)×3 5 9 10
=
×1 15 9 10
=
;3 50
12+
×(6 5
-4 5
)1 3
=12+
×6 5 7 15
=12+14 25
=12
;14 25
-3 4
÷3+3 4 9 25
=
-3 4
+1 4 9 25
=
+1 2 9 25
=
.43 50