Вычислите а)6/7:2= б)1/7:2= в)15/11:5= г)17/11:5=

[latex]a) \frac{6}{7} :2= \frac{6*1}{7*2} = \frac{3}{7} [/latex] [latex]b) \frac{1}{7} :2= \frac{1*1}{7*2} = \frac{1}{14} [/latex] [latex]v) \frac{15}{11} :5= \frac{15*1}{11*5} = \frac{3}{11} [/latex] [latex]g) \frac{17}{11} :5= \frac{17*1}{11*5} = \frac{17}{55} [/latex]