Question

2) Afla numărul necunoscut:
a) {[(x + 10): 20 + 20): 30+3): 4+ 4 = 5;
b) {[(x - 3) x 2-1]2-30) 3 - 40 = 500 vreau sa ma ajutati urgent ​

Answer 1

{[(x+10):20+20]:30+3}:4+4=5

(x+10)=y

[(y:20+20):30+3]:4+4=5

y=