鸡兔200只,鸡的脚数比的脚数少68只,鸡兔各几只?(用方程解答)
问题描述:
鸡兔200只,鸡的脚数比的脚数少68只,鸡兔各几只?(用方程解答)
答
鸡x只,兔200-x 2x+68=4(200-x)解得鸡122兔78
鸡兔200只,鸡的脚数比的脚数少68只,鸡兔各几只?(用方程解答)
鸡x只,兔200-x 2x+68=4(200-x)解得鸡122兔78