758-175-25-86简便计算

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/27 16:50:18

758-175-25-86简便计算

758-175-25-86
=758-(175+25)-86
=758-86-200
=558-86
=458+100-86
=458+14
=472

=758-(175+25)-56-30
=558-56-30
=502-30
=472