1) (3,4+7)*(-1 7/18)

2) (6 2/9 -5 5/6) : -7/36

пожалуйста помогите^ω^

1) (3,4+7)*(-1 7/18) = - 3 5/73,4+7=10,410,4*(-1 7/18)= - 104/100*25/7= - 104/28= -3 20/28= - 3 5/72) (6 2/9 -5 5/6) : -7/36= - 1 3/76 2/9-5 5/6=6 2/18-5 15/18=5 20/18-5 15/18=5/185/18÷(-7/36)= - 5/18*36/7= - 10/7 = - 1 3/7