log a(x2+ix+３)+Σcos sinψ(５x3+６x2+１８x+7)+３n!/(n+1)x+(sinαcosβ+tanβ/α+ａcos2θ)+lim z→1(９z2+５az+７a)+｛∫∞1(４y2+５６y+３７)×∫βα(x2+５x+４)｝＝...