题目内容
用你喜欢的方法计算.
4.5÷
| 13-
|
| ||||||||||||||||||
|
| (
|
(1)4.5÷
+96×4.5
=(4+96)×4.5
=100×4.5
=4500;
(2)13-
×
÷
=13-
÷
=13-8
=5;
(3)
×(
+
)÷
=
×
÷
=
÷
=
;
(4)
÷[(
-
)×10]
=
÷[
×10]
=
÷
=2
;
(5)
×
+
÷4
=
×(
+
)
=
×1
=
;
(6)(
+
-
)×24
=
×24+
×24-
×24
=18+12-14
=16.
| 1 |
| 4 |
=(4+96)×4.5
=100×4.5
=4500;
(2)13-
| 8 |
| 9 |
| 3 |
| 8 |
| 1 |
| 24 |
=13-
| 1 |
| 3 |
| 1 |
| 24 |
=13-8
=5;
(3)
| 3 |
| 8 |
| 2 |
| 5 |
| 2 |
| 15 |
| 3 |
| 4 |
=
| 3 |
| 8 |
| 8 |
| 15 |
| 3 |
| 4 |
=
| 1 |
| 5 |
| 3 |
| 4 |
=
| 4 |
| 15 |
(4)
| 5 |
| 7 |
| 5 |
| 6 |
| 4 |
| 5 |
=
| 5 |
| 7 |
| 1 |
| 30 |
=
| 5 |
| 7 |
| 1 |
| 3 |
=2
| 1 |
| 7 |
(5)
| 17 |
| 24 |
| 3 |
| 4 |
| 17 |
| 24 |
=
| 17 |
| 24 |
| 3 |
| 4 |
| 1 |
| 4 |
=
| 17 |
| 24 |
=
| 17 |
| 24 |
(6)(
| 3 |
| 4 |
| 1 |
| 2 |
| 7 |
| 12 |
=
| 3 |
| 4 |
| 1 |
| 2 |
| 7 |
| 12 |
=18+12-14
=16.
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