学法减分试题答案(学法减分试题答案检索用啥手机软件可以)

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异分数加减法习题带答案

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

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

(注：/ 前边的为分子结构，后边的为分子结构，如2/3是三分之二)