来自蒋宗道的问题
1/3-7-3/4+2/3怎么做?1、/3-7-3/4+2/32、-12又1/4)-【(-10又1/2)+(-1/3)】3、-2/3+(-1/6)-(-1/4)-1/24、-1/4+(-5/6)+2/3-(+1/2)-4又1/4
1/3-7-3/4+2/3怎么做?
1、/3-7-3/4+2/32、-12又1/4)-【(-10又1/2)+(-1/3)】3、-2/3+(-1/6)-(-1/4)-1/2
4、-1/4+(-5/6)+2/3-(+1/2)-4又1/4
1回答
2020-12-20 07:42