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能简算的要简算10×10.7-10÷62.5%99%×99+99%4×8×1.25×25%(169+271)×23+2571815×34-16÷1254×56+16×5432.6×45+32.6×20%465×46346457

题目详情
能简算的要简算
10×10.7-10÷62.5%                  
99%×99+99%
4×8×1.25×25%                    
1
69
+
2
71
)×23+
25
71
8
15
×
3
4
-
1
6
÷
1
2
               
 
5
4
×
5
6
+
1
6
×
5
4
32.6×
4
5
+32.6×20%                
465×
463
464
5
7
×
1
6
+
2
7
÷6                   
 
1
8
×
3
4
+
1
8
×
1
4
▼优质解答
答案和解析
(1)10×10.7-10÷62.5%,
=107-16,
=91;

(2)99%×99+99%,
=99%×(99+1),
=99%×100,
=99;

(3)4×8×1.25×25%,
=(4×25%)×(8×1.25),
=1×10,
=10;

(4)(
1
69
+
2
71
)×23+
25
71

=
1
69
×23+
2
71
×23+
25
71

=
1
3
+(
46
71
+
25
71
),
=
1
3
+1,
=1
1
3


(5)
8
15
×
3
4
-
1
6
÷
1
2

=
2
5
-
1
3

=
1
15


(6)
5
4
×
5
6
+
1
6
×
5
4

=
5
4
×(
5
6
+
1
6
),
=
5
4


(7)32.6×
4
5
+32.6×20%,
=32.6×(
4
5
+
1
5
),
=32.6;

(8)465×
作业帮用户 2017-10-02