(7*7-A)/2 8*(10-A)/3 5*(5-A/5) (5-A/7)*7, A=11 (7-A/5)*5, A=11 3*(7+9)/2 (7*10+2)/3 (8-2-3)*8 (2+4/10)*10 (5-2/10)* 5 (2+10/7)*7 (3*3-6)*8 (3+3/7)*7 (10*8-8)/3 (4-4/7)*7 (6+10)/4*6 (7+9)/4*6 (10+5)/5*8 (7-5)*8+8 10*6-6*6 8*9-8*6 8*(9+9)/6 |
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