填空;L8l0W1\-U
73的个位上是2a1^,u5B2w't，表示;\7N0L1H/F4I9r1c'd9e0e3s个一；十位上的数是8E.|*@.U2|7G:w'K:R+z9B4Q)l，表示（7）个(Q5v:A5z3A/['g9V7k(L7_8u*k-F-x'W(i。;L8l0W1\-U