(1,25^2- 3)^2-(1,25^2-4)•(1,25^2+2)+4•(5-1,25^2)=

Объяснение:

1) 25,2 : 3 (1\2) + [6 - 4 (1\3)] *0,6 =

*25,2/(7/2)+ [1(2/3)] ^ * 0,6=7,2+1=8,2

2)[7-1(512)]/6, 7 + [5, 75 - 3(116)] / 15 ,5=

+ [2(7/12)] /15,5=(67/12)^ * (10/67)+

(31/12)^ * (10/155) = 5/6 + 5/30 = 1

[5(7/12)] /6,7+