Question

Приведите подобные слагаемые: а) 9,5m + 3m
                                                   б) 6b - b
                                                   в) a -$frac{2}{3}$a
                                                   г) $frac{5}{7}$m - m

Answer 1

а) 12,5m
б) 5b
в) 1/3а
г) -2/7m