(6 3/8 — 2 3/4) · ( —4)+ 7/18 · 9 =ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО!

1. (6 [latex] \frac{3}{8} [/latex] - 2 [latex] \frac{3}{4} [/latex]) · (-4) + [latex] \frac{7}{8} [/latex] · 9 = - 11 1) 6 [latex] \frac{3}{8} [/latex] - 2 [latex] \frac{3}{4} [/latex] = 6 [latex] \frac{3}{8} [/latex] - 2 [latex] \frac{6}{8} [/latex] = 5 [latex] \frac{11}{8} [/latex] - 2 [latex] \frac{6}{8} [/latex] = 3 [latex] \frac{5}{8} [/latex]  2) 3 [latex] \frac{5}{8} [/latex] [latex] \frac{29 * 4 }{8 * 1} [/latex] (-4) =  [latex] \frac{29}{8} [/latex] · (- [latex] \frac{4}{1} [/latex]) = - [latex] \frac{29}{1} [/latex] · (- [latex] \frac{2}{1} [/latex]) = -  [latex] \frac{29}{2} [/latex] = - 14 [latex] \frac{1}{2} [/latex] 3) [latex] \frac{7}{18} [/latex] · 9 = [latex] \frac{7}{18} [/latex] · [latex] \frac{9}{1} [/latex] = [latex] \frac{7 * 9}{18 * 1} [/latex] = [latex] \frac{7 * 1}{2 * 1} [/latex] = [latex] \frac{7}{2} [/latex] = 3 [latex] \frac{1}{2} [/latex]  4)  - 14 [latex] \frac{1}{2} [/latex] + 3 [latex] \frac{1}{2} [/latex] = -11