Răspunsuri

2014-11-06T11:21:25+02:00
1 .Cat masoara a 3 bucata? 7500-5750=1750  2.Cat masoara prima bucata? 7500-4958=2542  3.Cat masoara a doua bucata 7500-2542-1750=3208
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2014-11-06T11:21:35+02:00
A+b+c=7500
a+b=5750
b+c=4958
(a+b)+c=7500
5750+c=7500
c=7500-5750
C=1750
a+4958=7500
a=7500-4958
A=2542
2542+b+1750=7500
b=7500-4292
B=3208
proba:1750+2542+3208=7500   

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