👤

calculati gasind factorul comun 100+104+108+112+....+300

Răspuns :

100+104+108+112+......+300
100x1+100x2+100x3+.....+100x75
100x(1+2+3+........+75)
100x75x75 supra 2=5625 supra 2=2812 rest 5