Question

помогите пожалуйста

Answer 1

9 3/2×36 1/2×49 3/2
21/2×73/2×101/2
1) 21/2×73/2=21×73/2×2=219/4
2) 219/4×101/2=219×101/4×2=22119/8=2764 7/8