括号51+34⼀39括号乘2⼀17简便计算

括号51+34/39括号乘2/17简便计算
2025-06-26 16:58:17
推荐回答(1个)
回答1:

括号51+34/39括号乘2/17简便计算
=51x2/17+34/39x2/17
=6+4/39
=6又4/39