qwertok139 发表于 2020-8-8 13:32 ! r3 i8 \2 T+ _, z% k! a E# Z7 Z0 k20+19+0+0+0+20-20-20-20+19+19-20-20+19+19=-6
qwertok139 发表于 2020-8-8 13:32 7 x: z0 x6 y& G2 B8 L2 x, ~/ c7 M20+19+0+0+0+20-20-20-20+19+19-20-20+19+19=-6