来自陈荣的问题
(815÷0.32−79×0.375)÷138(0.5+0.25+0.125)÷(0.5+0.25+0.125)139×137138+137×111381-3+5-7+…-99+101.
(815÷0.32−79×0.375)÷138
(0.5+0.25+0.125)÷(0.5+0.25+0.125)
139×137138+137×11138
1-3+5-7+…-99+101.
1回答
2020-04-11 23:13