作业帮(999/1000)*(1/100)+(111/1000)*(27/100)简算!
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/07 18:47:41
(999/1000)*(1/100)+(111/1000)*(27/100)简算!
(999/1000)*(1/100)+(111/1000)*(27/100)简算!
(999/1000)*(1/100)+(111/1000)*(27/100)简算!
999/1000x1/100+111/1000x27/100
=999/1000x1/100+111/1000x9x3/100
=999/1000x(1/100+3/100)
=999/1000x1/25
=999/25000