Question

[Ngô Duy Uyên]

1,Tính 

C=0,5+1/3+0,4+5/7+1/6-4/35+1/41

D=1/90-1/72-1/56-1/42-1/30-1/20-1/12-1/6-1/2

Answer 1

[Nguyen Tien Dat]

1. C = \(\frac{83}{41}\)
2. D = \(\frac{-79}{90}\)