题目内容
选择合适的方法计算.
| 2929÷29×34-1422 |
| (
|
|
(1)2929÷29×34-1422,
=101×34-1422,
=3434-1422,
=2012;
(2)
÷
÷
,
=
÷(
×
),
=
÷
,
=2
;
(3)(
+
-
)×24,
=
×24+
×24-
×24,
=2+6-8,
=8-8,
=0;
(4)
-(
+
)÷
,
=
-
÷
,
=
-
,
=
.
=101×34-1422,
=3434-1422,
=2012;
(2)
| 9 |
| 10 |
| 2 |
| 3 |
| 3 |
| 5 |
=
| 9 |
| 10 |
| 2 |
| 3 |
| 3 |
| 5 |
=
| 9 |
| 10 |
| 2 |
| 5 |
=2
| 1 |
| 4 |
(3)(
| 1 |
| 12 |
| 1 |
| 4 |
| 1 |
| 3 |
=
| 1 |
| 12 |
| 1 |
| 4 |
| 1 |
| 3 |
=2+6-8,
=8-8,
=0;
(4)
| 4 |
| 5 |
| 4 |
| 5 |
| 1 |
| 4 |
| 11 |
| 6 |
=
| 4 |
| 5 |
| 11 |
| 20 |
| 11 |
| 6 |
=
| 4 |
| 5 |
| 3 |
| 10 |
=
| 1 |
| 2 |
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