最新苏教版五年级下册数学·分数加减法计算题
张扬跋扈-等你等到我心痛国语
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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
(9)
87
1535
-( + ) (10) + +
+ (11) + + - (12) - -
1111891
1188
291351 5 3
1 7 7 1 1
(13) +( + ) (14) - +
(15) - + - (16) + -
710943
(17)
(21)1+
(25)
(29)1-
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5 5 1
63
7
1
33
13
1
- ( - )
(18)++ (19)-- (20)-+
995
83442814510
5
3757772025
17
-
(22)+- (23)-- (24)0.85++1.15+
477
8
53173145
3
421
+ +
(26) - - (27) + + (28) + +
6
4
535
5
- (30) - +
(31) -( - ) (32) -( - )
71048
8
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51552 1
555325
(33) +( - ) (34) - +
(35)-+ (36)--
636636
396277
3811332
212
583
2
(37)
+++ (38) 6- - (39) - + - (40)
-+
8585
(41)
7
9
+
1
9
-
1
3
(42)
(45)
8
9
-(
1
6<
br>+
1
3
) (46)
(49)
2626
3
+
7
-
3
+
7
(50)
(53)2-
2
3
7
12
(54)
(57)5-
43
7
-1
7
(61)
1
5
5
6
+
8+
6
+
3
8
(62)
10
3
14
-(2
3
14
+3.9)
10
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1111145145
563
3
4
-(
2
5
-
1
4
)
(43)
3
5
-(
1
2
-
1
4
)
(44)
3
11
10
+
5
-
3
2
7
+ (
3
4
+
5
7
)
(47)
5
8
-(
1
8
+
3
10
)
(48)
1
6
+
7
8
+
5
6
+
1
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
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二、解方程。
2x-8.125=18.125
3x+
131455141
= x+=1
2x-= -x=
x -(
341
14
+
7
)=
2
3
4
x
7
8
3
4
-0.6+x=1
1
20
x
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99966
-(
737
2
4
-
8
)=
8
x
9
7
9
x
16
5
6
3
5
x1
3
4
2x-8
1
8
=18
1
8
x-9
2
9
=4
1
5
x+3
-3
1
20
= 3
1
20
6.75+3x= 18
35
4
3.25+4.5-x=5
18
15.375+5X=20
54
1
7
+x=
2
3
9
14
=5.375
3
8
x