鸡兔共有100只脚,若鸡数和兔数互换,则共有脚86只,鸡兔各有多少只?1v6I)r6n;]-\2{6q+?
算式:提示,k)|'k2V5G*~8P;x0^1I;V/M1P1v6I)r6n;]-\2{6q+?
答兔有6o:d(Q;t-D;V7|5w 只,鸡有'i-h8`+a/f3W只。1v6I)r6n;]-\2{6q+?