a) = 11/6 * 3/11 * 2/7 = 3/66 * 2/7 = 1/2 * 2/7 = 2/14
b) = [tex]\frac{1}{2}[/tex] * 1/2 * 1/2 * 8/3 / 7/6 = 1/8 * 8/3 / 7/6 = 8/24 * 6/7 =48/168
c) = [tex]\frac{5}{4}[/tex] * [tex]\frac{6}{1}[/tex] - [tex]\frac{3}{1}[/tex] / [tex]\frac{6}{5}[/tex] = [tex]\frac{30}{4}[/tex] - 3/1 * 5/6 = 15/6 = 2 3/6
d) = ( [tex]\frac{35}{8}[/tex] - 5/3 ) / 15/4 = (105/24 - 40/24 ) / 15/4= 65/24 * 4/15 = 260/360
e) = 11/5 - 7/6 / 7/3 = 11/5 - 21/42 = 462/210 - 105/210 = 357/210 = 1 147/210
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