2000个6乘以2000个7怎么算啊
问题描述:
2000个6乘以2000个7怎么算啊
66666..乘以77777.怎么算.
6........6(一共2000个6)乘以7.........7(一共2000个7)=?
答
51851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851851...