计算。/D6['{,z
40-32=.Z7@9^+f7Y3h6N+Q*u;r6J5]9c;_'i5Q 8+54=3E3n)@:T:M6]8f)z*N2^*V+P6V/D6['{,z
78-60=9p9j0e.C(X2|2H7X/x3b3×6=4@0L2E5o:P1I'b'|/D6['{,z
4×4=9^3W/n(D-H6~7d 6×5=6K:O.M3?.w.l-k9B)J2S0g/D6['{,z
1×2=2n.X1A.o;C1I.A52+18+24=8r)y'r:`0j+f8@4B/D6['{,z
55+22-33=+H2E0n-\+{0h9r'I,d2F-h9w+K 95-34-16=+G+X9W3Y3S(o0U.X/D6['{,z
28-13+25=.n9l2A.B:^0f3?)U8l.x85+15=9B*Q.p;g6z3y/D6['{,z