购物活动。红花23元 黄花28 兰花32*a/P2D5u;Q:]6m7P2u*r-B+Y,W
1,三种花都买,80元钱够不够?先估计,再计算。*a/P2D5u;Q:]6m7P2u*r-B+Y,W
算式:提示9b+[3a,j(X83>80*a/P2D5u;Q:]6m7P2u*r-B+Y,W
答;3D:A+j7O元钱不够。*a/P2D5u;Q:]6m7P2u*r-B+Y,W
2,红花比黄花少多少元钱?*a/P2D5u;Q:]6m7P2u*r-B+Y,W
算式:提示0{:[8w8k;l2Y+L*a/P2D5u;Q:]6m7P2u*r-B+Y,W
答;红花 比黄花少,g2R(_2m元钱。*a/P2D5u;Q:]6m7P2u*r-B+Y,W