娜娜家养45只鸡,30只鸭,20只鹅。:x)d;c;q/h
(1)鸡比鸭多几只?:x)d;c;q/h
算式:提示:N;Z,P,l8L9l't1x:x)d;c;q/h
答:鸡比鸭多,t']*B)l-x4N*m8u(h*Z-B;o2Z0c4q只。:x)d;c;q/h
(2)鸭比鹅多几只?:x)d;c;q/h
算式:提示9X9?7b5\/n7c4x8E,G8a.@:x)d;c;q/h
答:鸭比鹅多3z:G9E5m,v0N(y-e(L.y只。:x)d;c;q/h
(3)鹅比鸡少几只?:x)d;c;q/h
算式:提示+j)\/U*m0[7G1y5N-[9B*x4`8f:x)d;c;q/h
答:鹅比鸡少,W/g,N)K4W只。:x)d;c;q/h
(4)鸡、鸭、鹅一共多少只?:x)d;c;q/h
算式:提示6}*[.g2N'q*E5N:x)d;c;q/h
答:鸡、鸭、鹅一共.h(O.O)[只。:x)d;c;q/h