Question

Вычислите 2/1*3+2/3*5+2/5*7+2/7*9+...+2/99*101

Answer 1

1) 2/1*3=6
2)2/3*5=3 1/3
3)2/5*7=2 4/5
4)2/7*9=2 4/7
5)2/99*101=2 4/99
6)6+3 1/3+2 4/5+2 4/7+2 4/99