填空2F)f2p*]-x'c,u;E4X4G-y)Q/\
78减去17除102的商，再乘以64，积是6P/O-r+l*E/M9O8p9p9m1{5{4z7l.b。2F)f2p*]-x'c,u;E4X4G-y)Q/\