Question

вычислите 5+6/3:(-9,8)-5:(-21)

Answer 1

$5+ \frac{6}{3}:(-9,8)- \frac{5}{-21} = \\ =5- \frac{6*10}{3*98} + \frac{5}{21} = \\ =5- \frac{10}{49} + \frac{5}{21} = \\ =5- \frac{65}{49*3} = \\ =5- \frac{65}{147} = \\ =4 \frac{82}{147}$