计算：6~+t2e4}
89+91+90+92+88+87+93+92+876~+t2e4}
算式：提示,G2a0H,n.D2K(o)F(z)h-R+r1I6~+t2e4}
=0A,@.F+e1s*k5g6l,V6~+t2e4}