家里有7个橙子芳芳上午吃了1个,下午吃了3个。-B;H3Y:T
(1)家里还剩几个橙子?-B;H3Y:T
算式:提示+Y0\6Y.z-S:x(d-B;H3Y:T
答:家里还剩)b;o'q/U个橙子。-B;H3Y:T
(2)芳芳下午比上午多吃了几个橙子?-B;H3Y:T
算式:提示*P7z/|4g3C2W.S(w5c/s-B;H3Y:T
答:芳芳下午比上午多吃了4b.R9A7s5E(^个橙子。-B;H3Y:T