Question

这些题等于几?能简算的要简算，回答要详细、有过程、谢谢！！

Answer 1

1、6+1/2-2/3=6+3/6-4/6=6-1/6=35/6
2、2/7+2/7+5/8-5/8=2/7×2=4/7
3、1/10-4/10+3/8=3/8-3/10=15/40-12/40=3/40

Answer 2

6-2/3+1/2 2/7+5/8+2/7-5/8 1/10+3/8-2/5
=16/3+1/2 =2/7+2/7+5/8-5/8 =4/40+15/40-16/40
=32/6+3/6 =2/7+2/7 =19/40-16/40
=35/6 =4/7 =3/40