计算3S(E,y1l2P6m4m3M+Q
4444×6666＋3×2222×55553S(E,y1l2P6m4m3M+Q
算式：提示,g3d2s:r'x,c1Y2u3S(E,y1l2P6m4m3M+Q
＝2H:g1h)i,[0V0_3S(E,y1l2P6m4m3M+Q