427÷4=16--3 ( ) 查看更多

 

题目列表(包括答案和解析)

[50.8-(20+26)]÷0.96
38.4×7.6-3.84×66
(20+9.774÷2.4)×0.5-1.427
[29.7-(6.2+0.85)×3]÷4
427÷2.68×16×26.8÷42.7×16
10-10.5÷[5.2×14.6-(9.2×5.2+5.4×3.7-4.6×1.5)]-(1.7+1.9)÷0.225×70
(2000-1)+(1999-2)+(1998-3)+…+(1002-999)+(1001-1000)

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计算:
(1)2002×
1999
2001

(2)3.5×1
1
4
+1.25×2
7
10
+3.8÷
4
5

(3)0.125×2
3
4
+
1
8
×6.25-12.5%

(4)1÷(1.3÷1.7)÷(1.7÷7)÷(7÷2.6)
(5)(5.77×4
2
7
+3
2
7
×5
7
10
)×(3
2
7
-1÷
7
23
)

(6)(5
11
13
+4
16
19
3
5
+0.6×(4
2
13
+5
3
19
)

(7)
1
2008
+
2
2008
+
3
2008
+…+
2006
2008
+
2007
2008

(8)[(
1
5
-
1
6
)×1.5+2.45]×(1.7-1
7
10
)

(9)51
1
4
×
4
5
+61
1
5
×
5
6
+71
1
6
×
6
7

(10)
7
12
-
9
20
+
11
30
-
13
42
+
15
56

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1
3
-
1
4
=
5-
5
7
=
4
27
×
9
16
=
2-
2
3
×2=
1047-998=
1
4
+
1
6
=
3.7+1.9= 2÷14+
6
7
=
225+475= 19.3-2.7=
1
2
+
3
4
=
3.2×0.25-0.25=
1
8
×32×
1
4
=
7
4
-4×
1
4
=
1
8
+
1
3
)×24=

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看谁算得又准又快.
2
3
÷
4
15
=
2
1
2
2
1
2
4
7
÷
1
14
=
8
8
4
27
÷
8
9
=
1
6
1
6
8
15
÷
16
35
=
1
1
6
1
1
6
5
9
÷3=
5
27
5
27
30÷
3
8
=
80
80
16
35
÷
4
7
=
4
5
4
5
5
18
÷
12
27
=
5
8
5
8
3÷0.5=
6
6
          
10÷25=
0.4
0.4
         
4.8÷0.16=
30
30
       
0÷3.89=
0
0
3.52÷1=
3.52
3.52
      
37.2×99+37.2=
3720
3720
 
6.4÷4﹦
1.6
1.6
     
1.5÷0.3﹦
5
5
1×0.4÷1×0.4=
0.16
0.16
  
1.8×5﹦
9
9
 
7.2÷0.9﹦
8
8
    
25×4÷0.25×4=
1600
1600

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计算下面各题.
(1)75+25×12=
(2)64×128÷(32×64)=
(3)72×(
1
3
-
1
2
+
3
4
)=
(4)
1
4
÷(11-
8
13
-
5
13
)=
(5)23×
13
24
+
13
24
=
(6)2.2-8÷11-
2
11
×7=
(7)10
1
2
+(8
1
2
-5
3
7
 )=
(8)8
5
6
-(7
5
6
-3
1
6
)=
(9)(
5
7
+
1
15
)×7+
8
15
=
(10)1
1
5
×85+120%×7+1.2×8=
(11)20÷[
4
7
×(
1
2
-
3
8
)]=
(12)1
17
52
×(5.8-4.4×2)×(0.7-
3
5
)=
(13)(2.5×4.8)×
1
2
÷(2.4×2
1
2
)=
(14)15
3
4
÷1-(5
3
4
÷5.75)×4=
(15)3333×6666+9999×7778= (16)357×256256-356×255255
(17)1
1
2000
+2
2
2000
+3
3
2000
+…1999
1999
2000
=
(18)
5
27
×
3
8
+
7
27
×
5
15
+
5
24
×
4
27
=
(19)
2
3
+
2
9
+
2
27
+
2
81
+
2
243
=
(20)1
1
3
-
7
12
+
9
20
-
11
30
+
13
42
-
15
56
=

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