题目内容
不用计算器计算:
(1)(2
×3
)4
(2)(52÷62)
(3)(8
)
(4)(5
-3
)
(5
+3
)
.
(1)(2
| 1 |
| 2 |
| 1 |
| 2 |
(2)(52÷62)
| 1 |
| 2 |
(3)(8
| 2 |
| 3 |
| 1 |
| 4 |
(4)(5
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
(1)原式=22×32
=4×9
=36;
(2)原式=
=
;
(3)原式=8
.
(4)原式=[(5
-3
)(5
+3
)]
=(5-3)
=2
.
=4×9
=36;
(2)原式=
(
|
=
| 5 |
| 6 |
(3)原式=8
| 1 |
| 6 |
(4)原式=[(5
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
=(5-3)
| 1 |
| 3 |
=2
| 1 |
| 3 |
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