Question

Efectuati: 3² × 8 : 12 x 13 :39=
5 x 12 x 17 : 255=
12 x 11 x 44 x 16 : 24 =
456 : 24 x 5² : 19 x 20​ =

Answer 1

Răspuns:

$3^{2} *8:12*13:39=9*8:12*13:39=72:12*13:39=6*13:39=78:39=2$

$5*12*17:255=60*17:225=1020:255=4$

$12*11*44*16:24=132*44*16:24=5808*16:24=92928:24=3872$

$456:24*5^{2}:19*20=456:24*25:19*20=19*25:19*20=475:19*20=25*20=500$