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巧算1653+59837.2×47+53×37.213.68.59+19.52÷3.2(258-14)×(89+113)10-(2.64+215+2.9)[235-(8.5-223)÷3.5]×712
题目详情
巧算
巧算
1653+598 37.2×47+53×37.2 13.6 8.59+19.52÷3.2 (2
-
)×(
+1
) 10-(2.64+2
+2.9) [2
-(8.5-2
)÷3.5]×7
1653+598 37.2×47+53×37.2 13.6 8.59+19.52÷3.2 1653+598 37.2×47+53×37.2 13.6 8.59+19.52÷3.2 (2
-
)×(
+1
) 10-(2.64+2
+2.9) [2
-(8.5-2
)÷3.5]×7
(2
-
)×(
+1
)
-
)×(
+1
)
5 8 5 5 8 8
)×(
+1
)
1 4 1 1 4 4
+1
)
8 9 8 8 9 9
)
1 3 1 1 3 3 10-(2.64+2
+2.9)
+2.9)
1 5 1 1 5 5 [2
-(8.5-2
)÷3.5]×7
-(8.5-2
)÷3.5]×7
3 5 3 3 5 5
)÷3.5]×7
2 3 2 2 3 3
1 2 1 1 2 2
1653+598 | 37.2×47+53×37.2 | 13.6 8.59+19.52÷3.2 | ||||||||||||||||
(2
| 10-(2.64+2
| [2
|
1653+598 | 37.2×47+53×37.2 | 13.6 8.59+19.52÷3.2 | ||||||||||||||||
(2
| 10-(2.64+2
| [2
|
1653+598 | 37.2×47+53×37.2 | 13.6 8.59+19.52÷3.2 | ||||||||||||||||
(2
| 10-(2.64+2
| [2
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▼优质解答
答案和解析
①1653+598=1653+600-2=2251;②37.2×47+53×37.2=37.2×(47+53)=37.2×100=3720;③8.59+19.52÷3.2=8.59+6.1=14.69;④(258-14)×(89+113)=238×229=198×209=9518=5518;⑤10-(2.64+215+2.9)=10-7.74=2....
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