(-17/4)+(-10/3)+(+13/3)+(11/3) 等于多少?

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(-17/4)+(-10/3)+(+13/3)+(11/3)等于多少?(-17/4)+(-10/3)+(+13/3)+(11/3)等于多少?(-17/4)+(-10/3)+(+13/3)+(11/3)

(-17/4)+(-10/3)+(+13/3)+(11/3) 等于多少?
(-17/4)+(-10/3)+(+13/3)+(11/3) 等于多少?

(-17/4)+(-10/3)+(+13/3)+(11/3) 等于多少?
=-17/4+(13/3+11/3-10/3)
=-17/4+14/3
=-51/12+56/12
=5/12

???晕

=-17/4+(-10+13+11)/3
=5/12

(-17/4)+(-10/3)+(+13/3)+(11/3)
=-17/4+(-10/3+13/3+11/3)
=-17/4+14/3
=5/12

5/12