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Mixed operation of fifth grade score addition and subtraction calculation?
6/5-4/2=3/2-2/ 1=4/ 1+3/2=

5/3-3/ 1=8/4-6/ 1=3/5-4/3=

6/2+3/ 1=9/5-2/ 1=7/2+3/ 1=

5/2-6/2=4/2+2/ 1=8/3-5/ 1=

9/3-3/ 1= 12/7-8/3=5/2+3/ 1=

1-9/4=9/5+9/8=8/ 1+8/7=

24/ 19-24/ 13=36/ 19+36/3=

7/3+7/4=8/ 1 1-8/ 1=4/ 1-9/ 1=

13/ 12- 13/3=9/8-9/ 1= 1-6/ 1=

4/3+4/ 1=8/7-8/3=9/2+8/3=

7/2+2/ 1=6/2-7/ 1=3/2-4/ 1=

8/2- 13/2=5/ 1+7/ 1=3/ 1+2/ 1=

4/ 1+2/ 1=2/ 1-5/ 1=7/5+8/ 1=

5/2-3/ 1=6/ 1+5/2=9/5+8/ 1=

4/ 1-6/ 1=5/2+7/ 1=6/ 1+2/ 1=

9/2- 12/3=3/2+8/ 1=5/2-3/ 1=

3/ 1-4/ 1=9/2+2/ 1=2/ 1+8/4=

1/4+ 1/8=2/3- 1/6=3/7+5/ 14=

2/5-2/ 15=7/8-9/ 16= 1/32+ 1/4=

2/9+7/9=3/4-9/ 16=25/32-3/8=

3/5+ 13/ 15=23/25+ 1/5=

2 1/25- 1/5=

3/ 14+2/7=

2/3+ 1/9=

5/7-3/ 14=

7/9+ 1/ 18=

19/2 1+3/7=

23/35- 1/5=

3/4+ 1/ 16=

3/8- 1/ 16=

5/9+4/9=

8/ 17-7/ 17=