池塘里有45条金鱼,捞走了18条后,又放入24条,池塘里现在有金鱼多少条?/m;P9w.V2J2l,?9g2w1I6S(G
算式:提示'D/X3v2W({.e/m;P9w.V2J2l,?9g2w1I6S(G
答;池塘里现在有金鱼1A-U;C;i)~+W3^-g'Q6w条。/m;P9w.V2J2l,?9g2w1I6S(G