Hi! My name is Matthew
There are 6 different coins in a fairy land Biland. A, B, C, D, E, F-coins. Written as Ag, Bg, Cg, Dg, Eg, Fg. The smallest is Ag and the biggest is Fg.
Define selected number of A-coins as Biland sum.
2nd grade, Biland change A-coins3rd grade, Biland change A-coins
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