Question

Найдите значение выражения: 1) 1_1/2 * 1_1/3 * 1_1/4 * 1_1/5 * 1_1/6 - 1/2=
2) 1_1/4 * 1_1/5 * 1_1/6 * 1_1/7 * 1_1/8 - 1/4

Answer 1

3/2*4/3*5/4*6/5*7/6-1/2=7/2-1/2=6/2=3
5/4*6/5*7/6*8/7*9/8-1/4=9/4-1/4=8/4=2