(a+b)^6=a^6+6*a^5*b+15*a^4*b^2+20*a^3*b^3+15*a^2*b^4+6*a*b^5+b^6（a-b)^5=a^5-5a^4b+10a^3b^2-10a^2b^3+5ab^4-b^5a^4+8a³b+16a²b²+8a²悄铅b²+32ab³+16b^4加派运闹油，祝你数学学得越来越好尘罩！
