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80/2+3*15 = 0
3*15+40 = 0
40+45 = 0
85 = 0
L <> R
| 32/5*35/8 | | 3/8*1/5 | | 17/24*4/5 | | 5/7*4/1 | | 1/33*11/13 | | 33/1*11/13 | | 13/42*7/6 | | 13/42*6/7 | | 1/35*5/7 | | 35/1*5/7 | | 2/5*1/3 | | 4/5*1/3 | | 6/7*9/1 | | 5/6*1/4 | | 1/21*7/11 | | 7/8*5/1 | | 1/5*1/4 | | 10/7*1/8 | | 5/7*14/5 | | 4/5*4/1 | | 4-2=3+5p | | 2n^2+13n+6=0 | | 19/15*5/8 | | 3xa+5xb= | | x/4=9/12 | | 19/15*4/3 | | 2(3x)=-1(x-2) | | 19/15*3/4 | | 25/3*6/5 | | 4/1*9/5 | | 5/6*5/1 | | 22/1*13/11 |