(-5)+3.75+[13又七分之三+(-3又四分之三+(-7))] 等于?请把过程写清楚点（我们老师很挑刺的）谢谢！

(-5)+3.75+[13又七分之三+(-3又四分之三+(-7)]
=-5+3又3/4+13又3/7-3又3/4-7
=-12+13又3/7
=1又3/7

(-5)+3.75+[13又七分之三+(-3又四分之三+(-7))]
=-5+3.75+13又3/7-3.75-7
=-12+0+13又3/7
=1又3/7
如果本题有什么不明白可以追问,