Question

Calculați: 2^7 : 4^3 + 3^9 • 27^5 : 3^20 + ( 3^1 • 2^4 - 4^2 ) : 2^3 =​

Answer 1

Explicație pas cu pas:

2^7:(2^2)^3+3^9•(3^3)^5:3^20+[3^1•2^4-(2^2)^2]:2^3=2^7:2^6+3^9•3^15:3^20+(3•2^4-2^4):2^3=2^1+3^24:3^20+[2^4(3-1)]:2^3=2+3^4+(2^4•2):2^3=2+3^4+2^5:2^3=2+81+2^2=83+4=87