新人教版五年级下册分数加减法混合运算(附答案)

1 3/7 X 14 + 5/6 X 18

2 1/10 X 5/6 + 1/3 X 1/4
3 5/9X3/5+1/6X9
4 9 X 1/18-4/9X9/4

5 1/12-(1/6+1/3)

6 9/10 X 50-8X1/4

7 19 X 3/38 - 1/4 X 2

8 1/5- (1/10-1/20)

9 16 X 1/12 + 1/9 X 3/4

10 9/7 - ( 2/7 – 10/21 )
11 5/9 × 18 – 14 × 2/7
12 4/5 × 25/16 + 2/3 × 3/4
13 14 × 8/7 – 5/6 × 12/15
14 17/32 – 3/4 × 9/24
15 3 × 2/9 + 1/3
16 5/7 × 3/25 + 3/7
17 3/14 ×× 2/3 + 1/6
18 1/5 × 2/3 + 5/6
19 9/22 + 1/11 X 2
20 5/3 × 11/5 + 4/3
21 45 × 2/3 + 1/3 × 15
22 7/19 + 12/19 × 5/6
23 1/4 + 3/4 X 3/2

24 8/7 × 21/16 + 1/2
25 101 × 1/5 – 1/5 × 21

26 1/3+2/5×3/9
27 (1-5/8)X7/6
28 11/12+3/7+1/12+4/7
29 5/13×(3/5-1/2)
30 10×2/5 +1/5

31 4/3 X 8 - 1/2X1/3

32 10/1 X 90 + 1/3X1/3

33 8/19*16 +1/19

34 9/7 X 18 - 3/14X3/2

35 4×4/5 +1/5 X 1/2

36 18×4/9-5/6X12

37 30×(6/5 )+1/8X2/5

38 4×(3/2 )-1/2

39 9×( 7/6 )+ 1/9X3

40 12×( 5/3)-10

41 24×(7/16 ) -1/4X5

42 4/7 × 5/9 + 3/7 × 5/9
43 5/2 -( 3/2 + 4/5 )
44 7/8 + ( 1/8 + 1/9 )

45 9 × 5/6 + 5/6
46 3/4 × 8/9 - 1/3
47 7 × 5/49 + 3/14
48 6 ×( 1/2 + 2/3 )
49 8 × 4/5 + 8 × 11/5
50 31 × 5/6 – 5/6追问

不要乘法的

不要乘法的

追答

3/4+1/5=4/5 3/4-1/5=11/20 5/6+2/9=19/18 5/6-2/9=11/18 2/3+3/5=19/15
2/3-3/5=1/15 6/7+1/2=19/14 6/7-1/2=5/14 2/3+1/6=5/6 1/3+1/4=7/12
1/3-1/4=1/12 1/5+1/7=12/35 1/5-1/7=2/35 1/4+1/9=13/36 1/4-1/9=5/36
1/8+1/9=17/72 1/8-1/9=1/72 1/10+7/9=79/90 5/7-1/6=23/42 1-5/9=4/9
1/5+3/8=23/40 3/4+1/5=19/20 2/3-3/5=1/5 1-2/5=3/5 5/8-1/9=37/72
1/10-1/20=1/20 1/6+3/8=13/24 5/9-1/2=1/18 2/3+1/4=11/12 1/2+1/3=5/6
5/6+1/18=8/9 3/5-1/3=4/15 17/15-1/3=4/5 11/12-2/3=1/4 1/2-1/4=1/4
1/7-1/8=1/56

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