January 2019 1 231 Report

Efectuați,utilizând factorul comun:
a) 2 la puterea 76+2 la puterea 78+ 2 la puterea 80;
b) 3*5 la puterea 47+2*5 la puterea 48+6*5 la puterea 49;
c) 9 la puterea 1001+9 la puterea 1000+7*9 la puterea 999;
d) 7*4 la puterea 135+5*46 la puterea 136-46 la puterea 134.
Vă rog mult! E pentru mâine.

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