来自丛兰兰的问题
几道计算题,1.（2/3-1/2)-(1/3-5/6)2.2.4-(-3/5)+(-3.1)+4/53,(-6/13)+(-7/13)-(-2)4.3/4-(-11/6)+(-7/3)
几道计算题,
1.（2/3-1/2)-(1/3-5/6)
2.2.4-(-3/5)+(-3.1)+4/5
3,(-6/13)+(-7/13)-(-2)
4.3/4-(-11/6)+(-7/3)
1回答
2020-08-31 16:16