98-96-97-105+102+101的简便计算
98-96-97-105+102+101的简便计算
日期:2021-08-02 07:13:43 人气:1
原式=98-96-97-3-102+102+101
=(98-96)-(97+3)-102+102+101
=2-100+101
=3
或=(101-96)+(102-97)+98-105
=5+5+98-105
=108-105
=3
=(98-96)-(97+3)-102+102+101
=2-100+101
=3
或=(101-96)+(102-97)+98-105
=5+5+98-105
=108-105
=3