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2014-10-06T09:16:36+03:00
(a+b)^10=a^10+10a^9b+45a^8b²+120a^7b³+210a^6b^4+252a^5b^5+210a^4b^6+
120a³b^7+45a²b^8+10ab^9+b^10
(a+b+c)³=a³+b³+c³+3(a²b+a²c+b²a+b²c+c²a+c²b)+6abc
2 5 2