异分母分数加减法300道要有点技术含量
1个回答

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 1/3-1/9=2/9 5/6-1/2=1/3 1-2/3=1/3 5/8-1/6=11/24

1/3+1/6=1/2 3/4-1/2=1/4 1/5+1/8=13/40 5/6+4/9=23/18 5/9-2/5=7/45

3/7+5/2=41/14 5/8+9/10=61/40 11/12-8/15=23/60 1/4+1/6=5/12 1/4-1/6=1/12

1-6/7=1/7 11/12-2/3=1/4 3/10+2/5=7/10 7/8-1/4=5/8 3/4+5/12=7/6

3/5-3/7=6/35 5/4-5/12=5/6 1/5-1/9=4/45 1/3-1/8=5/24 11/6-2/9=29/18

1/5+1/9=14/45 1-2/5=3/5 7/4+1/7=53/28 1-1/9=8/9 2/3-2/7=8/21

5/6+1/2=4/3 4/3-3/4=7/12 1-4/7=3/7 4/3+3/2=17/6 5/9+18/5=5/6

8/6-2/8 =13/12 7/10 + 1/10 = 4/5 9/6 - 3/2=0 1-2/5=3/5

6/4 + 5/10=2 9/6-3/2=0 5/9+4/9=1 5/3-2/3=1

8/3 - 1/2=13/6 1-1/8=7/8 3/5+8/5=11/5 7/8-5/8=1/4

8/15 + 3/15 = 11/15 7/8-4/8=3/8 8/2-10/7=18/7 5/3-3/5=16/15

9/14 + 3/14 = 6/7 31/8-8/3=29/24 4/15-3/15=1/15 2/3+2/48=17/24

40/45 + 4/5=76/45

43/9 + 38/27=167/27

15/9 + 17/21=52/21

6/14 + 45/45=10/7

16/22 - 7/10=3/110

14/2 + 10/48=153/24

13/24 + 1/4=19/24

3/2 - 6/14=15/16

8/12 -6/15=4/15

37/33 + 5/11=52/33

6/4 + 10/11=106/44

34/18 - 14/36=3/2

7/3 + 21/4=91/12

21/8 - 11/5=17/40

31/8 -8/3=29/24

43/9 + 38/27=167/27

15/9 + 17/21=52/21

6/14 + 45/45=10/7

2/3 + 2/48=17/24

16/22 - 7/10=3/110

14/2 + 10/48=153/24

5/12 + 24/10=169/60

44/10+ 13/2=109/10

21/4 - 14/20=91/20

3/8+7/10+5/8=17/10 7/8-(1/8+3/4)=0 4/7+1/6-4/7=1/6

2-7/9-2/9=1 3/5+7/8+2/5=15/8 7/9-(1/9+1/3)=1/3

1/4+(2/5+3/4)=7/5 5/6-3/10+1/6-7/10=0 3/4+1/6-2/3=1/4

7/8-1/4+4/9=77/72 1-1/3+2/7=20/21 1/2+4/5-3/10=1

5/6-(2/3-1/9)=5/18 9/10-(3/4+1/8)=1/40 1/2+2/3-3/4=5/12

7/8-1/6+1/4=23/24 1-(3/4-2/9)=17/36 9/10-1/5-1/2=1/5

1/4+3/7+1/2=33/28 7/8-(2/3+1/6)=1/24 1-(1/3+3/5)=1/15

1/2+1/4+1/3=13/12 7/8+1/4+1/2=5/8 5/7-(4/7+1/9)=2/63

1-1/4-1/2=1/4 3/4-1/6-1/3=1/4 3/10+1/4+2/5=19/20

2/3+1/6+1/12=11/12 1-1/4-2/5=7/20 1/2+1/9+1/12=25/36

2/8+6/7=31/28

1/2+9/7=25/14

8/4+9/2=13/2

7/4+6/8=5/2

3/7+5/9=62/63

8/5+9/7=101/35

6/5+3/8=63/40

8/5-5/7=31/35

8/3-2/3=2

9/4-1/2=7/4

5/2-3/7=29/14

4/3-8/9=4/9

7/2-5/6=8/3

4/3-5/6=1/2

5/7+9/4=65/28

8/3+9/4=59/12

5/3-2/3=1

7/4-5/7=29/28

6/4-5/7=11/14

5/4-4/7=19/28

5/6+8/5=73/30

4/8+6/2=5/2

4/5+8/2=24/5

4/6+8/3=10/3

7/4-2/8=3/2

6/5-5/9=29/45

4/2-3/9=5/3

5/3+7/6=17/6

2/3-4/7=2/21

5/3+7/6=17/6

1/2+1/3=5/6

1/2-1/3=1/6

7/5+9/4=73/20

6/7+9/2=75/14

1/6+9/2=14/3

7/9+6/4=41/18

8/5+6/2=23/5

8/6+7/3=11/3

10/7-3/4=61/28

2/4+6/5=17/10

5/3-5/7=20/21

2/9+9/5=91/45

9/5+4/6=37/15

4/8+5/2=3

5/4-6/8=1/2

5/7+9/4=83/28

8/7+2/4=23/14

2/9+1/6=7/18

5/6+1/5=31/30

3/4-2/5=7/20

4/5+1/10=9/10

4/9-1/3=1/9

9/10-2/5=1/2