学帮网(999/1000)*(1/100)+(111/1000)*(27/100)简算!
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/31 02:44:40
(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
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来源：学生作业学帮网 编辑：学帮网 时间：2024/05/31 02:44:40
(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