判断题7/9=0.7(7循环)≈77.7%

问题描述:

判断题7/9=0.7(7循环)≈77.7%
7/9=0.7(7循环)≈77.7% 是否正确

应该最后一位四舍五入为8.
看要求保留的小数位.如果要求1位,就是77.8%,两位就是77.78%.