(9 - 2 2/3 * 2 1/7) * 21/46 = 1 1/2
1) 2 2/3 * 2 1/7 = 8/3 * 15/7 = 40/7 = 5 5/7
2) 9 - 5 5/7 = 8 7/7 - 5 5/7 = 3 2/7
3) 3 2/7 * 21/46 = 23/7 * 21/46 = 3/2 = 1 1/2
( 4√3+ √27) √3= ( 4√3 +√27) √3
(4√3+ 3√3 ( потому что 9*3=27) √3=
(7√3)* √3=7*3= 21
48:z=40-16
48:z=24
z=48:24
z=2
A = 280/7=40
K = 40(A)*3=120
O = 120(K)+40(A)= 160
Ч=350-120-40-160-0=30
T = 0/70=0
Т(0) О(160) Ч(30) К(120) А(40)