题目内容
计算
(
|
|
|
;
| ||||||||||||||||||||||||
|
|
|
(
|
(1)(
-
+
)÷
,
=(
-
+
)×36,
=
×36-
×36+
×36,
=34-27+6,
=7+6,
=13;
(2)
÷8+
×
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(3)
×12×
×16,
=(
×16)×(
×12),
=5×9,
=45;
(4)
÷(
+
),
=
÷
,
=
;
(5)
×
+
÷
,
=
+
,
=
;
(6)
×40%+
×60%,
=
×(40%+60%),
=
×1,
=
;
(7)
÷[(
-
)÷
],
=
÷[
÷
],
=
÷
,
=4;
(8)(
-
)×42,
=
×42-
×42,
=35-18,
=17.
| 17 |
| 18 |
| 3 |
| 4 |
| 1 |
| 6 |
| 1 |
| 36 |
=(
| 17 |
| 18 |
| 3 |
| 4 |
| 1 |
| 6 |
=
| 17 |
| 18 |
| 3 |
| 4 |
| 1 |
| 6 |
=34-27+6,
=7+6,
=13;
(2)
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 8 |
=
| 2 |
| 3 |
| 1 |
| 8 |
| 1 |
| 3 |
| 1 |
| 8 |
=(
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 8 |
=1×
| 1 |
| 8 |
=
| 1 |
| 8 |
(3)
| 5 |
| 16 |
| 3 |
| 4 |
=(
| 5 |
| 16 |
| 3 |
| 4 |
=5×9,
=45;
(4)
| 9 |
| 16 |
| 3 |
| 8 |
| 1 |
| 16 |
=
| 9 |
| 16 |
| 7 |
| 16 |
=
| 9 |
| 7 |
(5)
| 4 |
| 5 |
| 5 |
| 6 |
| 2 |
| 5 |
| 3 |
| 5 |
=
| 2 |
| 3 |
| 2 |
| 3 |
=
| 4 |
| 3 |
(6)
| 3 |
| 4 |
| 3 |
| 4 |
=
| 3 |
| 4 |
=
| 3 |
| 4 |
=
| 3 |
| 4 |
(7)
| 4 |
| 5 |
| 5 |
| 8 |
| 1 |
| 2 |
| 5 |
| 8 |
=
| 4 |
| 5 |
| 1 |
| 8 |
| 5 |
| 8 |
=
| 4 |
| 5 |
| 1 |
| 5 |
=4;
(8)(
| 5 |
| 6 |
| 3 |
| 7 |
=
| 5 |
| 6 |
| 3 |
| 7 |
=35-18,
=17.
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