4/9(1 1/2c-3/8)-(1 5/6-1 1/3)
= 4/9(3/2c-3/8)-(11/6-4/3)
= 4/9(3/2c-3/8)-(-1/2)
= (2/3c-1/3)-(1/2)
= 2/3c-1/3-1/2
= 2/3c-1/3-3/6
= 2/3c-1/2
(1/6A+6,5)-(2 7/9+3 1/3)
= 1/6A+13/2-(25/9+10/3)
= 1/6A+13/2-79/9-(30/9)
= 1/6A+13/2-79/9-10/3
= 1/6A+(39/6)-(158/18)-(60/18)
= 1/6A+(39-158-60)/18
= 1/6A-179/18
= 1/6A-89/9
6(1/4K-5/6)-15(0,6-2 1/3K)
= 6(1/4K-5/6)-15(3/5-7/3K)
= 3/2K-5-45/5+105/3K
= 3/2K-5-9+35K
= 35/2K+3-14
= 35/2K-11
4/9(1 1/2c-3/8)-(1 5/6-1 1/3)
= 4/9(3/2c-3/8)-(11/6-4/3)
= 4/9(3/2c-3/8)-(-1/2)
= (2/3c-1/3)-(1/2)
= 2/3c-1/3-1/2
= 2/3c-1/3-3/6
= 2/3c-1/2
(1/6A+6,5)-(2 7/9+3 1/3)
= 1/6A+13/2-(25/9+10/3)
= 1/6A+13/2-79/9-(30/9)
= 1/6A+13/2-79/9-10/3
= 1/6A+(39/6)-(158/18)-(60/18)
= 1/6A+(39-158-60)/18
= 1/6A-179/18
= 1/6A-89/9
6(1/4K-5/6)-15(0,6-2 1/3K)
= 6(1/4K-5/6)-15(3/5-7/3K)
= 3/2K-5-45/5+105/3K
= 3/2K-5-9+35K
= 35/2K+3-14
= 35/2K-11