题目内容
脱式计算下面各题
-(
-
)÷
÷[(
+
)×
]
(
÷
+
)×
[
-(
-
)]×
.
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 4 |
| 3 |
| 8 |
| 4 |
| 5 |
| 1 |
| 2 |
| 2 |
| 3 |
| 4 |
| 7 |
(
| 5 |
| 16 |
| 3 |
| 4 |
| 15 |
| 16 |
| 8 |
| 13 |
[
| 8 |
| 15 |
| 4 |
| 5 |
| 3 |
| 10 |
| 15 |
| 14 |
(1)
-(
-
)÷
=
-
×
=
-
=
;
(2)
÷[(
+
)×
]
=
÷[
×
]
=
÷
=
×
=
;
(3)(
÷
+
)×
=(
×
+
)×
=(
+
)×
=
×
=
;
(4)[
-(
-
)]×
=[
-
]×
=
×
=
.
| 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 |
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