843-178+22简便计算
来源:学生学帮网 编辑:学帮网 时间:2024/06/07 22:37:21
843-178+22简便计算
843-178+22
=843-(178+22)+44
=843-200+44
=643+44
=687
843-178+22
=843-200+22*2
=643+44
=691 .
843-178-22+22+22=643+44=687
843-178+22简便计算
843-178+22
=843-(178+22)+44
=843-200+44
=643+44
=687
843-178+22
=843-200+22*2
=643+44
=691 .
843-178-22+22+22=643+44=687