计算。3h.|5{:W(`0P2|9c7_+X
13－5－5＝9P4@;x.].K+L,Z3h.|5{:W(`0P2|9c7_+X
9＋4－8＝;j2G)T6Y.\5`;b1l5F0[0i(A:L3h.|5{:W(`0P2|9c7_+X
11－4＋8＝.x(],R1j1f,J6k*S(P,J-m:]3h.|5{:W(`0P2|9c7_+X
8＋6＋5＝)x)]5l6a0g6j8['j3h.|5{:W(`0P2|9c7_+X
16－8－4＝1a1L,^4E.R'`(p1s/K;]*u8[3h.|5{:W(`0P2|9c7_+X
5＋7－4＝8}2y4Q7p+f'`+^*K9M*]9J2N*X3h.|5{:W(`0P2|9c7_+X
16－7－9＝9d9l,u;Z1}:b3h.|5{:W(`0P2|9c7_+X
14－9＋5＝:H8~-q*l;K,B1h8Z3A5H6M)d;h3h.|5{:W(`0P2|9c7_+X
15－2－7＝8N,O8X'^3L6y4t7B3h.|5{:W(`0P2|9c7_+X