(8-2 2/7×2 11/12)÷2 2/27=
Решите задачу:
8- 2 2/7
8 - 2 2/7 = 5 5/7.
В скобках будет 1 1/3 и делим на 2 2/27 будет 9/14.
(8-2 2/7×2 11/12)÷2 2/27= =(8-16/7*35/12):2 2/27= (8-20/3):2 2/27= =(7 3/3-20/3):2 2/27= =(6 9/3-20/3):2 2/27= =(5 12/3-20/3) :2 2/27= =(4 15/3-20/3) :2 2/27= =(3 18/3-20/3) :2 2/27= =(2 21/3-20/3) :2 2/27= =2 1 /3*27/56= =7/3*27/56= =9/8=1 1/8