苏教版五年级下册数学·分数加减法计算题
茶道图片-dangrous
 
计算下面各题(能简便计算的要简便计算) 
57 1 52114211947
(1)  +
+        (2)  -  +         (3)  -( - )
(4)  +( - ) 
696854153520540
 
   
77
(5) -( -  )       (6)  -( -  )
(7)6.12+ +2.88+    (8) -( + ) 
61
 
 
87
1535
(9)  -( +  )  (10)  + + +
(11)  + + -     (12) - -
1111891
88
11
 
 
 
291351 5
3  1  7  7 1 1 
(13)  +( +  )     (14) -  +
(15) -  +  -        (16)  + -   
710943
 
 
 (17) 
 
 
 
 
(21)1+
 
 
 
 
 (25)
 
 
(29)1-
 
 
375771772025
-
(22)+-        (23)--      (24)0.85++1.15+
242727
412128877
 5  5  1
633
733
1
11
 - ( -  )      (18)++
(19)--       (20)-+ 
995
3
84428
14510
5
53173145
3
421
 + +
(26)  - -            (27)  + +         (28) + +
6
4
535
5
 -         (30) - +
(31)  -( - )        (32) -( - )
71048
8
 
51552 1
555325
(33)  +( - )       (34)  - +
(35)-+         (36)--
636636
39
6277
 
 
3811332
2212
583
(37) +++       (38)
6- -       (39)   - + -      (40)  -+
858
5
 
 
 
(41)
 7
9
 +
 1 
9
 - 
 1 
3
(42) 
 
 
 
(45)
8
1
1
9-(
6
+
3
 )       (46)
 
 
(49) 
2626
3
 + 
7
 - 
3
+ 
7
         (50)
 
 
 
(53)2-
2
3
7
12
          (54)
              
 
(57)5-
43
7
 -1
7
    
 
 
(61)
15
6
+
5
8
+<
br>6
+
3
8
    (62)
 
 
10
3
14
 -(2
3
14
 +3.9)
10
 
 
1111145145
563
3
4
-(
2
5
 -
1
4
 )
(43)
3
5
-(
1
2
- 
1
4
)
(44)
3
10
+
11
5
-
3
2
7
+ (
3
4
+
5
7
)
(47) 
5
175
1
8
-(
1
8
+3
10
)       (48)
6
+
8
+
6
+
8
5
12
 -(
5
12
 -
1
10
 )    (51) 
3
8
+(
5
8
 -
5
9
 )    (52)
532
6
 - 
4
 + 
3
1
12
 +
3
8
 +(
5
8
 +
58177111
12
 )     (55) 
9
-(
18
 +
9
 )     (56) 
9
 +
12
 - 
18
  
(58)
435753241
9
 +
10
 +
9
+
10
      (59)
7
 -(
5
-
7
 )    (60)
5
 -(
5
+
1
3
 )
7
5
+
4
9
+
53
3
15
5
17
9
+
5
(63) 
4
-
3
+
6
       (64)
3-
11
-
11
 
1
6
-3
11
20
 -2.45+1.6
15
11231
6
 -7
5
 -2.8
5
3
 +6
10
 +3
3
 +2.7 
  
 
 
 
二、解方程。
2x-8.125=18.125       3x+
 
 
341737
x -(+)=       x-(-)=
x
131455141
=             x+=1
2x-=        -x= 
9
996654
2715
x
        
1
+x=
2
1472
 
 
3
4
x
7
8
          
 
 
 
 
31
4
-0.6+x=1
20
x
4
8
3
5
x1
3
4
-3
11
20
 = 3
20
6.75
8
99
1
8
=18
1
8
x-9
+3x= 18
3
4
3.25+4.5
66
2
9
=4
1
5
x+3
-x=5
5
18
15.375+5X=20
73
9
14
=5.375
3
8
 
      2x-8