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7+7:7+(7+7):7 urgent vă rog


Răspuns :

7 + 7 : 7 + ( 7 + 7 ) : 7 = 10
= 7 + 1 + 14 : 7 =
= 8 + 2 =
= 10
7+7:7+(7+7):7=
7+1+14:7=7+1+2=7+3=10
7:7=1
14:7=2