计算。8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[
5＋3＋20='H1c5h,\,I.o-B4C*J7p2n5c/j8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[
15－7＋4=6L*Q/[)C2D0\6e0R8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[
40＋3－3=/t-}-L4@/s8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[
56－6＋4=6i7`;v/M5u8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[
14－9＋20=,b9I1L'`4h3K1H0M:_8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[
30＋8－8=3\;T.^-@8@*|1S+W(r-N+a5P)V,x(k4c'Z1H7@*[