Răspuns:
17/41+8/41=25/41
b)²11/25+3/50=25/50 25=5²
50=2×5²
[25,50]=5²×2=25×2=50
²11/25+3/50=22/50+3/50=25/50
c.7/12+5/18= 12=2²×3
18=2×3²
[12,18]=2²×3²=4×9=36
³7/12+²5/18=21/36+25/36=46/36
P.S pui descompunerea le nr. după ce ai scris (12= 18= 25 = 50= ) langa
