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用递等式计算(能简算的简算,并写出简算过程)345-2442÷37+34(4-3.5×23)÷119180÷15+42×33-2398.59-2.07÷0.3×1.1(225-3.5÷258)×(25

题目详情
用递等式计算(能简算的简算,并写出简算过程)
345-2442÷37+34  
(4-3.5×
2
3
)÷1
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
用递等式计算(能简算的简算,并写出简算过程)
345-2442÷37+34  
(4-3.5×
2
3
)÷1
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
用递等式计算(能简算的简算,并写出简算过程)
345-2442÷37+34  
(4-3.5×
2
3
)÷1
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
用递等式计算(能简算的简算,并写出简算过程)
345-2442÷37+34  
(4-3.5×
2
3
)÷1
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
用递等式计算(能简算的简算,并写出简算过程)
345-2442÷37+34  
(4-3.5×
2
3
)÷1
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.


2
3
)÷1
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
2
3
2 3 2 2 3 3
1
9

180÷15+42×33-239    
8.59-2.07÷0.3×1.1
(2
2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
1
9
1 9 1 1 9 9


2
5
-3.5÷2
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
2
5
2 5 2 2 5 5
5
8
)×(2
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
5
8
5 8 5 5 8 8
5
12
+4.25)
[6-(
4
9
×6.3+2
3
10
)]÷0.15.
5
12
5 12 5 5 12 12
4
9
×6.3+2
3
10
)]÷0.15.
4
9
4 9 4 4 9 9
3
10
)]÷0.15.
3
10
3 10 3 3 10 10
▼优质解答
答案和解析
(1)345-2442÷37+34,=345-66+34,=279+34,=313;(2)(4-3.5× 2 3 )÷1 1 9 ,=(4- 7 2 × 2 3 )× 9 10 ,=(4- 7 3 )× 9 ...