Question

Ex 3 a,e,j
va rog dau like sau corona​

Answer 1

Răspuns:

a) 9/8

e) 4/3

j) 31/32

Explicație pas cu pas:

a) 1/2+1/4+3/8=4/8+2/8+3/8=9/8

e)2/3+3/5+1/15=10/15+9/15+1/15=20/15=4/3

j)1/2+1/4+1/8+1/16+1/32=16/32+8/32+4/32+2/32+1/32=31/32