(7 + 8) - (5 + 8) + 4(2 + 5) =(4 - 1) + 5(8 + 9) + 4(8 - 4) =(5 + 9) + 3 + 6(4 + 5) + 6 + 9(4 - 3) =[6(6 + 1) + 2(2 + 5)] + 4(6 - 2) =5(8 + 9) + 8(5 + 9) + 4(5 + 6) =[5 + 5(6 + 9) - 3(7 + 5)][4(5 + 6)?
(7 + 8) - (5 + 8) + 4(2 + 5) = (4 - 1) + 5(8 + 9) + 4(8 - 4) = (5 + 9) + 3 + 6(4 + 5) + 6 + 9(4 - 3) = [6(6 + 1) + 2(2 + 5)] + 4(6 - 2) = 5(8 + 9) + 8(5 + 9) + 4(5 + 6) = [5 + 5(6 + 9) - 3(7 + 5)][4(5 + 6) - 3 + 8] =.