怎样简便就怎样算:101×33-808÷18
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/05/15 02:45:39
怎样简便就怎样算:101×33-808÷18
还有一题:7/15×16/19+8/15÷16/19
还有一题:7/15×16/19+8/15÷16/19
=101(33-4/9)
=101(293/9)
=29593/9
=(1-8/15)x16/19+8/15x19/16
=16/19+8/15(19/16-16/19)
=16/19+7/38
=39/38
=101(293/9)
=29593/9
=(1-8/15)x16/19+8/15x19/16
=16/19+8/15(19/16-16/19)
=16/19+7/38
=39/38