Question

De -43ab restar 67ab Restar -19mñ de -236mn a + (a - b) + (-a + b) 2a - {-x + a-1} - {a + x-3} - (a + b) + [-3a + b - {-2a + b- (ab)} + 2a] 3x - (5y + [-2x + {y -6 + x} - (- x + y)]) - [3m + {- m - (n - m + 4)} + {- (m + n) + (-2n + 3)}] me ayudan

Answer 1

Respue4+54+64+5+45+444444445+=12

Explicación paso a paso: