同学们春游,老师给每个同学准备1个盘子和2个碗,19个同学一共要准备多少个盘子和多少个碗?(T/a'U/P,['Y'j2L1b4J1l4?2@:G6w
算式:提示9V*I6J0D2Z4m*O6p/v*]4v(T/a'U/P,['Y'j2L1b4J1l4?2@:G6w
算式:提示5M8L,A0n1W3R4d*q4b0g(T/a'U/P,['Y'j2L1b4J1l4?2@:G6w
答:19个同学一共要准备.m.H)U.d2[*w6\9v(K1u3x1D9|个盘子和7K/c4\1o5y0S)y6k-@)?个碗。(T/a'U/P,['Y'j2L1b4J1l4?2@:G6w