Question

Calculati: a) 125 * 1111 la put 3 - 5555 la put 3 b) 9 la put 5-(3 la put5) totul la put 2 +8 la put 4 -( 2 la put 4) totul la put 3 c) 2 la put 7 : 4 la put 3 + 3 la put 3 * 27 :3 la put 5 + ( 3la put 1 * 2 la put 4 -4 la put 2) : 2la put 3

Answer 1

a)... 125=5³  ⇒ (5*1111)³ - 5555³ =5555³-5555³=0 ;
b)...  9=3²     ⇒ 3¹⁰ - 3¹⁰+(2³)⁴-(2⁴)³ =  0 +2¹²-2¹²= 0 ;
c)...  2⁷:(2²)³+3³*3³:3⁵+(3*16-16):2³=2 + 3 + 4 = ... ;