9,1,4,3,40,( ) A.81 B.80 C.121 D.120
9,1,4,3,40,( ) A.81 B.80 C.121 D.120,
选C 121 9÷3=3......0 1÷3=0.3....1 4÷3=1.....1 3÷3=0.....0 40÷3=13.....1 121÷3=40.....1 规律就是每个数除于3的余数依次为0,1,1,0,1,1
好雷害啊
选A的朋友怎么算的啊?能和大家共享吗?
选C 121 9÷3=3......0 1÷3=0.3....0.1 4÷3=1.....1 3÷3=0.....0 40÷3=13.3.....0.1 121÷3=40.....1 规律就是每个数除于3的余数依次为0,0.1,1,0,0.1,1
A
答:太难了,有没有出错详情>>
答:详情>>