脱式计算下面各题
(
[
|
(1)
-(2 3
-5 6
)÷3 4 3 8
=
-2 3
×1 12 8 3
=
-2 3 2 9
=
;4 9
(2)
÷[(4 5
+1 2
)×2 3
]4 7
=
÷[4 5
×7 6
]4 7
=
÷4 5 2 3
=
×4 5 3 2
=
;6 5
(3)(
÷5 16
+3 4
)×15 16 8 13
=(
×5 16
+4 3
)×15 16 8 13
=(
+5 12
)×15 16 8 13
=
×65 48 8 13
=
;5 6
(4)[
-(8 15
-4 5
)]×3 10 15 14
=[
-8 15
]×1 2 15 14
=
×1 30 15 14
=
.1 28