Question

calculeaza a+b daca a=1 supra 2+2 supra 3+ 3 supra 4+4 supra 5 + 5 supra 6 b=1 supra 2+1 supra 3+1 aupra 4+ 1 supra ,5+1 supra 6 pls dau coronita

Answer 1

Răspuns

5

Explicație pas cu pas:

a=1/2+2/3+ 3/4+4/5 + 5/6

b=1/2+1/3+1/4+ 1/5+1/6

a + b = (1/2 + 1/2) + (2/3 + 1/3) + (3/4 + 1/4) + (4/5 + 1/5) + (5/6+ 1/6) = 1 + 1 + 1 + 1 + 1 = 5