以上是我的算式,谢谢~૮₍ ˃̵ᴗ˂̵₎ა
高级的解法: x% x 80 = 24 80 x x/100 = 24 80x = 100 x 24 80x = 2400 x = 2400 ➗80 x = 30 简单解法: x% x 80 = 24 x% = 24/80 x% = 0.3 x = 0.3 x 100% = 30% 谢谢~