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脱式计算.3.25÷2.5÷4537×0.5÷537×0.5(0.8+1125)×12.586.27-(28.9+16.27)257-27-571.6×[1÷(2.1-2.09)].

题目详情
脱式计算.
3.25÷2.5÷4              5
3
7
×0.5÷5 
3
7
×0.5         
(0.8+
1
125
)×12.5
86.27-(28.9+16.27) 2
5
7
-
2
7
-
5
7
            
1.6×[1÷(2.1-2.09)].
3.25÷2.5÷4              5
3
7
×0.5÷5 
3
7
×0.5         
(0.8+
1
125
)×12.5
86.27-(28.9+16.27) 2
5
7
-
2
7
-
5
7
            
1.6×[1÷(2.1-2.09)].
3.25÷2.5÷4              5
3
7
×0.5÷5 
3
7
×0.5         
(0.8+
1
125
)×12.5
3.25÷2.5÷4             5
3
7
×0.5÷5 
3
7
×0.5         
3
7
×0.5÷5 
3
7
×0.5         
3
7
3377
3
7
×0.5         
3
7
3377(0.8+
1
125
)×12.5
1
125
)×12.5
1
125
11125125 86.27-(28.9+16.27) 2
5
7
-
2
7
-
5
7
            
1.6×[1÷(2.1-2.09)].86.27-(28.9+16.27)2
5
7
-
2
7
-
5
7
            
5
7
-
2
7
-
5
7
            
5
7
5577
2
7
-
5
7
            
2
7
2277
5
7
            
5
7
55771.6×[1÷(2.1-2.09)].
▼优质解答
答案和解析
3.25÷2.5÷4
=3.25÷(2.5×4)
=3.25÷10
=0.325;
5
3
7
×0.5÷5
3
7
×0.5
=
38
7
×
1
2
÷
38
7
×
1
2

=
38
14
×
7
38
×
1
2

=
1
4

(0.8+
1
125
)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
3
7
333777×0.5÷5
3
7
×0.5
=
38
7
×
1
2
÷
38
7
×
1
2

=
38
14
×
7
38
×
1
2

=
1
4

(0.8+
1
125
)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
3
7
333777×0.5
=
38
7
×
1
2
÷
38
7
×
1
2

=
38
14
×
7
38
×
1
2

=
1
4

(0.8+
1
125
)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
38
7
383838777×
1
2
111222÷
38
7
383838777×
1
2
111222
=
38
14
×
7
38
×
1
2

=
1
4

(0.8+
1
125
)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
38
14
383838141414×
7
38
777383838×
1
2
111222
=
1
4

(0.8+
1
125
)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
1
4
111444;
(0.8+
1
125
)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
1
125
111125125125)×12.5
=0.8×12.5+
1
125
×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
1
125
111125125125×12.5
=10+0.1
=10.1;
86.27-(28.9+16.27)
=86.27-28.9-16.27
=(86.27-16.27)-28.9
=70-28.9
=41.1;
2
5
7
-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
5
7
555777-
2
7
-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
2
7
222777-
5
7

=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
5
7
555777
=2
5
7
-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
5
7
555777-(
2
7
+
5
7

=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
2
7
222777+
5
7
555777)
=2
5
7
−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
2
5
7
555777−1
=
5
7

1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.
5
7
555777;
1.6×[1÷(2.1-2.09)].
1.6×(1÷0.01)
=1.6×100
=160.