题目内容
计算下面各题.
(
| 13×
| [2-(
| ||||||||||||||||||||||
| (
| 36×[
|
(1)(
-
)×40
=
×40-
×40
=20-10
=10;
(2)13×
+3÷
+
=(13+3+1)×
=17×
=12
;
(3)[2-(
+
)]÷
=[2-
]÷
=
÷
=
;
(4)
+(
×
÷
)
=
+(
÷
)
=
+
=
;
(5)(
-
)÷(
+
)
=
÷
=
;
(6)36×[
-(
+
)]
=36×[
-
].
=36×
-36×
=24-9
=15.
| 1 |
| 2 |
| 1 |
| 4 |
=
| 1 |
| 2 |
| 1 |
| 4 |
=20-10
=10;
(2)13×
| 3 |
| 4 |
| 4 |
| 3 |
| 3 |
| 4 |
=(13+3+1)×
| 3 |
| 4 |
=17×
| 3 |
| 4 |
=12
| 3 |
| 4 |
(3)[2-(
| 1 |
| 3 |
| 8 |
| 5 |
| 2 |
| 15 |
=[2-
| 29 |
| 15 |
| 2 |
| 15 |
=
| 1 |
| 15 |
| 2 |
| 15 |
=
| 1 |
| 2 |
(4)
| 1 |
| 2 |
| 3 |
| 7 |
| 1 |
| 6 |
| 5 |
| 28 |
=
| 1 |
| 2 |
| 1 |
| 14 |
| 5 |
| 28 |
=
| 1 |
| 2 |
| 2 |
| 5 |
=
| 9 |
| 10 |
(5)(
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
=
| 1 |
| 4 |
| 3 |
| 4 |
=
| 1 |
| 3 |
(6)36×[
| 2 |
| 3 |
| 1 |
| 12 |
| 1 |
| 6 |
=36×[
| 2 |
| 3 |
| 1 |
| 4 |
=36×
| 2 |
| 3 |
| 1 |
| 4 |
=24-9
=15.
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