1!-2!+3!-4!+…-10!=1-2*1+3*2*1-4*3*2*1+…-10*9*8*7*6*5*4*3*2*1=?看到规律没?用两个嵌套的forfor i=1 to 10s=0for j=1 to is=s*j*(-1)^(i+1)end fort=t+send for? t