Question

помогите пожалуйста. надо срочно. решите оба примера

Answer 1

1) (20+1 2/3)*t = 5
(60/3+5/3)*t = 5
(65/3)*t = 5
t = 5:65/3
t = 5*3/65
t = 3/13

2) 10 2/3d-3 7/8 = 4 1/8
32/3d = 4 1/8+3 7/8
32/3d = 7 8/8
32/3d = 8
d = 8:32/3
d = 8*3/32
d = 3/4