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脱式计算.2.73-0.85-0.158×4×125×25(50-40×1.2)÷0.5(17+14)÷1114×16.

题目详情
脱式计算.
2.73-0.85-0.15                   
8×4×125×25
(50-40×1.2)÷0.5           
1
7
+
1
4
)÷
11
14
×
1
6
▼优质解答
答案和解析
(1)2.73-0.85-0.15                  
=2.73-(0.85+0.15)
=2.73-1
=1.73
 
(2)8×4×125×25
=(8×125)×(4×25)
=1000×100
=100000

(3)(50-40×1.2)÷0.5        
=(50-48)÷0.5
=2÷0.5
=4
   
(4)(
1
7
+
1
4
)÷
11
14
×
1
6

=
11
28
÷
11
14
×
1
6

=
1
2
×
1
6

=
1
12