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(2013•华亭县模拟)递等式计算,能简便运算的要用简便计算方法计算.800×84-24030÷27013.5×537+1312×347+13.512.2+3.05×(512-1.75×217)512×[(914-8.05+25)÷315].
题目详情
800×84-24030÷270 | 13.5×5
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12.2+3.05×(5
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7 |
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7 |
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▼优质解答
答案和解析
(1)800×84-24030÷270,
=67200-89,
=67111;
(2)13.5×5
+13
×3
+13.5,
=13.5×5
+13.5×3
+13.5,
=13.5×(5
+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75. 5
3 3 37 7 7+13
×3
+13.5,
=13.5×5
+13.5×3
+13.5,
=13.5×(5
+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 12 2 2×3
+13.5,
=13.5×5
+13.5×3
+13.5,
=13.5×(5
+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
4 4 47 7 7+13.5,
=13.5×5
+13.5×3
+13.5,
=13.5×(5
+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75. 5
3 3 37 7 7+13.5×3
+13.5,
=13.5×(5
+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
4 4 47 7 7+13.5,
=13.5×(5
+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75. 5
3 3 37 7 7+3
+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
4 4 47 7 7+1),
=13.5×10,
=135;
(3)12.2+3.05×(5
-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 12 2 2-1.75×2
),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 17 7 7),
=12.2+3.05×(5
-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 12 2 2-3.75),
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 12 2 2×[(9
-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 14 4 4-8.05+
)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
2 2 25 5 5)÷3
],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 15 5 5],
=5
×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 12 2 2×[(1.2+
)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
2 2 25 5 5)÷3
],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 15 5 5],
=5
×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 12 2 2×[1.6÷3
],
=5
×0.5,
=2.75.
1 1 15 5 5],
=5
×0.5,
=2.75.
1 1 12 2 2×0.5,
=2.75.
(1)800×84-24030÷270,
=67200-89,
=67111;
(2)13.5×5
3 |
7 |
1 |
2 |
4 |
7 |
=13.5×5
3 |
7 |
4 |
7 |
=13.5×(5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75. 5
3 |
7 |
1 |
2 |
4 |
7 |
=13.5×5
3 |
7 |
4 |
7 |
=13.5×(5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
4 |
7 |
=13.5×5
3 |
7 |
4 |
7 |
=13.5×(5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
4 |
7 |
=13.5×5
3 |
7 |
4 |
7 |
=13.5×(5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75. 5
3 |
7 |
4 |
7 |
=13.5×(5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
4 |
7 |
=13.5×(5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75. 5
3 |
7 |
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
4 |
7 |
=13.5×10,
=135;
(3)12.2+3.05×(5
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
7 |
=12.2+3.05×(5
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
=12.2+3.05×1.75,
=12.2+5.3375,
=17.5375;
(4)5
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
4 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
2 |
5 |
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
5 |
=5
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
2 |
5 |
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
5 |
=5
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
5 |
=5
1 |
2 |
=2.75.
1 |
2 |
=2.75.
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