题目内容
用自己喜欢的方法计算
(
| 25×(
|
|
|
(1)(
+
)÷
,
=(
+
)×24,
=
×24+
×24,
=8+6,
=14;
(2)25×(
×40%)×
,
=(25×40%)×(
×
),
=10×1,
=10;
(3)
+
+
×
,
=
+
+
,
=
+
,
=
;
(4)
+(1-
)+
,
=
+
+
,
=
+
,
=
.
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 24 |
=(
| 1 |
| 3 |
| 1 |
| 4 |
=
| 1 |
| 3 |
| 1 |
| 4 |
=8+6,
=14;
(2)25×(
| 9 |
| 7 |
| 7 |
| 9 |
=(25×40%)×(
| 9 |
| 7 |
| 7 |
| 9 |
=10×1,
=10;
(3)
| 5 |
| 8 |
| 5 |
| 7 |
| 2 |
| 5 |
| 1 |
| 4 |
=
| 5 |
| 8 |
| 5 |
| 7 |
| 1 |
| 10 |
=
| 75 |
| 56 |
| 1 |
| 10 |
=
| 403 |
| 280 |
(4)
| 1 |
| 50 |
| 2 |
| 5 |
| 3 |
| 20 |
=
| 1 |
| 50 |
| 3 |
| 5 |
| 3 |
| 20 |
=
| 31 |
| 50 |
| 3 |
| 20 |
=
| 77 |
| 100 |
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