Question

sa se efectueze  calculele 72 supra 108+792supra1188-7272supra10908 ajutatima pt 15 puncte 

Answer 1

72/108 se simplifica prin 4 ⇒ 72/108=18/27 
18/27 se simplifica prin 9 ⇒ 18/27=2/3 ⇒ 

72/108=2/3

792/1188 se simplifica prin 4 ⇒ 792/1188=198/297
198/297 se simplifica prin 9 ⇒ 198/297=22/33
22/33 se simplifica prin 11 ⇒ 22/33=2/3

792/1188=2/3

7272/10908 se simplifica prin 9 ⇒ 7272/10908=808/1212 
808/1212 se simplifica prin 4 ⇒ 808/1212=202/303 
202/303 se simplifica prin 101 ⇒ 202/303=2/3

7272/10908=2/3

Exercitiul devine
2/3+2/3+2/3=6/3=2