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能简算的要简算:64×1.25×2.5×534.5×9.23-34.5+1.77×34.5(67.8+9.48)÷0.96-2.58×3.352.75÷[15×(2-13)+2.5]178×178179(4.8×7.5×8.1)÷(2.4×2.5×2.7)

题目详情
能简算的要简算:
64×1.25×2.5×5       
34.5×9.23-34.5+1.77×34.5             
(67.8+9.48)÷0.96-2.58×3.35
2.75÷[15×(2-
1
3
)+2.5]
178×
178
179
      
(4.8×7.5×8.1)÷(2.4×2.5×2.7)
能简算的要简算:
64×1.25×2.5×5       
34.5×9.23-34.5+1.77×34.5             
(67.8+9.48)÷0.96-2.58×3.35
2.75÷[15×(2-
1
3
)+2.5]
178×
178
179
      
(4.8×7.5×8.1)÷(2.4×2.5×2.7)




1
3
)+2.5]
178×
178
179
      
(4.8×7.5×8.1)÷(2.4×2.5×2.7)
1
3
131133
178
179
      
(4.8×7.5×8.1)÷(2.4×2.5×2.7)
178
179
178179178178179179
▼优质解答
答案和解析
(1)64×1.25×2.5×5    
=(1.25×8)×(2.5×4)×(5×2)
=10×10×10
=1000
   
(2)34.5×9.23-34.5+1.77×34.5   
=34.5×(9.23-1+1.77)
=34.5×10
=345
         
(3)(67.8+9.48)÷0.96-2.58×3.35
=77.28÷0.96-8.643
=80.5-8.643
=71.857

(4)2.75÷[15×(2-
1
3
)+2.5]
=2.75÷[15×
5
3
+2.5]
=2.75÷[25+2.5]
=2.75÷27.5
=0.1

(5)178×
178
179
 
=(179-1)×
178
179
 
=179×
178
179
-
178
179
 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
1
3
13111333)+2.5]
=2.75÷[15×
5
3
+2.5]
=2.75÷[25+2.5]
=2.75÷27.5
=0.1

(5)178×
178
179
 
=(179-1)×
178
179
 
=179×
178
179
-
178
179
 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
5
3
53555333+2.5]
=2.75÷[25+2.5]
=2.75÷27.5
=0.1

(5)178×
178
179
 
=(179-1)×
178
179
 
=179×
178
179
-
178
179
 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
178
179
178179178178178179179179 
=(179-1)×
178
179
 
=179×
178
179
-
178
179
 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
178
179
178179178178178179179179 
=179×
178
179
-
178
179
 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
178
179
178179178178178179179179-
178
179
 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
178
179
178179178178178179179179 
=178-
178
179
 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
178
179
178179178178178179179179 
=177
1
179


(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18
1
179
1179111179179179

(6)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7)
=2×3×3
=18