Question

Помогите! Срочно! №111 (1)

Answer 1

=( 3 8/12 + 1 9/12) : (6 7/12 - 2 3/12) * 0,8 = 4 17/12 : 4 1/3 * 0,8 = 65/12 * 3/13 * 4/5 = 5/4 * 4/5 = 1