50 - { - 10 + [ - 10 - (3 - 1) - 2 + 3)] - 20} - 1 =(8 - 2)5 - 3(6 - 4) + 2(7 - 2)(5 + 4) =(5×4×3) / (15 - 3) + 18 / (11 - 5)×3 =2 + 5•(2•3)3 / 3 =440 - [30 + 6(19 - 12)] =2{4[7 + 4(5•3 - 9)] - 3(40 -?
50 - { - 10 + [ - 10 - (3 - 1) - 2 + 3)] - 20} - 1 = (8 - 2)5 - 3(6 - 4) + 2(7 - 2)(5 + 4) = (5×4×3) / (15 - 3) + 18 / (11 - 5)×3 = 2 + 5•(2•3)3 / 3 = 440 - [30 + 6(19 - 12)] = 2{4[7 + 4(5•3 - 9)] - 3(40 - 8)} = 10•(3 + 2)2 + (50 / 10)3 - 100 = me pueden ayudar con estos ejercicios.