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神机妙算细又巧(16-18+112)÷1240.75×65+34×36-75%1110÷[56×(37-38)](12+13)÷56+310.
题目详情
神机妙算细又巧
(
-
+
)÷
0.75×65+
×36-75%
1110÷[56×(
-
)]
(
+
)÷
+
.
(
| 1 |
| 6 |
| 1 |
| 8 |
| 1 |
| 12 |
| 1 |
| 24 |
0.75×65+
| 3 |
| 4 |
1110÷[56×(
| 3 |
| 7 |
| 3 |
| 8 |
(
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 3 |
| 10 |
▼优质解答
答案和解析
(1)(
-
+
)÷
=(
-
+
)×24
=
×24-
×24+
×24
=4-3+2
=3
(2)0.75×65+
×36-75%
=0.75×65+0.75×36-0.75
=0.75×(65+36-1)
=0.75×100
=75
(3)1110÷[56×(
-
)]
=1110÷[56×
-56×
]
=1110÷[24-21]
=1110÷3
=370
(4)(
+
)÷
+
=
÷
+
=1+
=1
| 1 |
| 6 |
| 1 |
| 8 |
| 1 |
| 12 |
| 1 |
| 24 |
=(
| 1 |
| 6 |
| 1 |
| 8 |
| 1 |
| 12 |
=
| 1 |
| 6 |
| 1 |
| 8 |
| 1 |
| 12 |
=4-3+2
=3
(2)0.75×65+
| 3 |
| 4 |
=0.75×65+0.75×36-0.75
=0.75×(65+36-1)
=0.75×100
=75
(3)1110÷[56×(
| 3 |
| 7 |
| 3 |
| 8 |
=1110÷[56×
| 3 |
| 7 |
| 3 |
| 8 |
=1110÷[24-21]
=1110÷3
=370
(4)(
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 3 |
| 10 |
=
| 5 |
| 6 |
| 5 |
| 6 |
| 3 |
| 10 |
=1+
| 3 |
| 10 |
=1
| 3 |
| 10 |
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