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2014-09-23T14:59:32+03:00
A=(347+ 98): 5x 6=445: 5x 6=89x6=534

b=(720: 8 + 120 ) : 3=(90+120):3=210:3=70

c=(102: 3 + 725: 5) + 211= (34+145)+211=179+211=390

a+2:b - c=534+2:70-390=534+2/70-390=534+1/35-390=(35*534+1-35*390)/35=5041/35=
=144intregi si 1/35