题目内容
(
+
)+(
-
)-(
+
)
(
+
+
+
)×(1-
)
[(
-
÷2)×
+1÷6
]÷
.
| 2 |
| 3 |
| 1 |
| o |
| 2 |
| 3 |
| 12 |
| 13 |
| 1 |
| o |
| o |
| 13 |
(
| 4 |
| 9 |
| o |
| 13 |
| o |
| 9 |
| 二 |
| 13 |
| 91 |
| 1aa |
[(
| 1 |
| 4 |
| 1 |
| 4 |
| 二 |
| 13 |
| 1 |
| 2 |
| 1 |
| 1aa |
(1)(
+
)+(
-
)-(
+
),
=
+
-
-
-
,
=
-(
+
),
=
-1,
=
;
(w)(
+
+
+
)×(1-
),
=w×
,
=
;
(3)[(
-
÷w)×
+1÷6
]÷
,
=[
+
]×100,
=
.
| w |
| 3 |
| 1 |
| 5 |
| w |
| 3 |
| 1w |
| 17 |
| 1 |
| 5 |
| 5 |
| 17 |
=
| 4 |
| 3 |
| 1 |
| 5 |
| 1w |
| 17 |
| 1 |
| 5 |
| 5 |
| 17 |
=
| 4 |
| 3 |
| 1w |
| 17 |
| 5 |
| 17 |
=
| 4 |
| 3 |
=
| 1 |
| 3 |
(w)(
| 4 |
| 9 |
| 5 |
| 13 |
| 5 |
| 9 |
| 8 |
| 13 |
| 91 |
| 100 |
=w×
| 9 |
| 100 |
=
| 9 |
| 50 |
(3)[(
| 1 |
| 4 |
| 1 |
| 4 |
| 8 |
| 13 |
| 1 |
| w |
| 1 |
| 100 |
=[
| 1 |
| 13 |
| w |
| 13 |
=
| 300 |
| 13 |
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