Question

4 целых 2/11 - 1 целых 9/11 =
6 целых 4/23-(3 целых-2 целых 8/23) + 5 целых 16/23 =
100 баллов

Answer 1

4 2/11 - 1 9/11 = 3 13/11 - 1 9/11 = 2 4/11

6 4/23 - (3 - 2 8/23) + 5 16/23 =11 5/23
1) 2 23/23 - 2 8/23 = 15/23
2) 6 4/23 - 15/23 = 5 27/23 - 15/23 = 5 12/23
3) 5 12/23 + 5 16/23 = 10 28/23 = 11 5/23

Answer 2

1)
$4 frac{2}{11} -1 frac{9}{11} =3 frac{13}{11} -1 frac{9}{11} =2 frac{4}{11}$

2) 
$6 frac{4}{23} -(3 -2frac{8}{23} )+5 frac{16}{23} =\ 1) 3 -2frac{8}{23}=2 frac{23}{23} -2frac{8}{23}= frac{15}{23} \ 2)6 frac{4}{23} -frac{15}{23} =5 frac{27}{23} -frac{15}{23} =5 frac{12}{23} \ 3) 5 frac{12}{23}+5 frac{16}{23} =10 frac{28}{23} =11 frac{5}{23}$