[11/12-(0.25+7/20)/3.6+1/7]×2又1/3【过程】

来源:学生作业学帮网 编辑:学帮网 时间:2024/04/26 10:33:54

[11/12-(0.25+7/20)/3.6+1/7]×2又1/3【过程】

[11/12-(0.25+7/20)/3.6+1/7]×2又1/3
=[11/12-0.6/3.6+1/7]×2又1/3
=[11/12-1/6+1/7]×2又1/3
=[3/4+1/7]×7/3
=3/4×7/3+1/7×7/3
=7/4+1/3
=25/12

[11/12-(0.25+7/20)/3.6+1/7]×2又1/3
=[11/12-0.6/3.6+1/7]×2又1/3
=[11/12-1/6+1/7]×2又1/3
=[3/4+1/7]×7/3
=3/4×7/3+1/7×7/3
=7/4+1/3
=25/12