【978×(35×6.1-2.8)】/(34×6.1+3.3)简便算法!

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/04 03:57:09

【978×(35×6.1-2.8)】/(34×6.1+3.3)
简便算法!

=978X(34x6.1+6.1-2.8)/34X6.1+3.3
=978X(34X6.1+3.3)/34X6.1+3.3
=978