设鸡有x只,则兔子有 35 - x 只.
2x + 4(35 - x) = 94
2x + 140 - 4x = 94
4x - 2x = 140 - 94
2x = 46
x = 23
兔子 = 35 - x = 12
答:鸡有23只,兔子有 12 只.
设鸡有x只,则兔子有 35 - x 只.
2x + 4(35 - x) = 94
2x + 140 - 4x = 94
4x - 2x = 140 - 94
2x = 46
x = 23
兔子 = 35 - x = 12
答:鸡有23只,兔子有 12 只.