Question

Folosind proprietatile operatiilor invatate calculati:
a) (111+222+...+999) : 111+47=
b) (2^6-2^5) x (2^5-2^4) x (2^4-2^3) : (2^4)^3

Answer 1

=111(1+2+....9):111+47=10*9/2+47=45+47=92;;;b)=2⁵(2-1)*2⁴(2-1)*2³(2-1):2 la 12=2⁵*2⁴*2³:2la 12=1