4个男同学和3个女同学进行乒乓球单打比赛,如果每个男同学和每个女同学都打1盘,一共要打几盘?(h4W,w;E0w.Z5D
算式:提示+c;k6U'j;K4c+B3D(R(h4W,w;E0w.Z5D
口答:一共要打-a.U(`-D9z,`3]/r*K(@*s2j2~盘。(h4W,w;E0w.Z5D