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Cel mai inteligent răspuns!
2014-08-15T14:18:04+03:00
OA100 =1 + 2 +3 +.....+ 100 S=(1+100)*100/2 S=101 *50 S=5050 OA100 =5050 OM= OA100/2 =5050/2 =2525 OA40 = 1+2+3....+40 S= (1+40)*40/2 S=41*20 S=820 OA40=820 OM -OA40= A40M 2525-820=1705 A40M=1706
OA100 =1 + 2 +3 +.....+ 100 S=(1+100)*100/2 S=101 *50 S=5050 OA100 =5050 OM= OA100/2 =5050/2 =2525 OA40 = 1+2+3....+40 S= (1+40)*40/2 S=41*20 S=820 OA40=820 OM -OA40= A40M 2525-820=1705 A40M=1706
si ce ai facut???ai copiat tot??/:)