2^2 x 3^2 x 5^2 ÷ (12^3 ÷ 6^3 + 2)^2 + (1^0 + 2^0 - 3^0 - 4^0 - 5^0)
2^2 x 3^2 x 5^2 ÷ (12^3 ÷ 6^3 + 2)^2 + (1^0 + 2^0 - 3^0 - 4^0 - 5^0)
2^2·3^2·5^2/(12^3/6^3 + 2)^2 + (1^0 + 2^0 - 3^0 - 4^0 - 5^0)=
=4·9·25/(2^3 + 2)^2 + (1 + 1 - 1 - 1 - 1)=
=900/100 + (- 1)= 9 - 1 = 8
32)
$\small 2^2·3^2·5^2 : (12^3 : 6^3+2)^2+(1^0+2^0-3^0-4^0-5^0)=$
$\small =(2·3·5)^2 : ((12 : 6)^3+2)^2 + (1+1-1-1-1)=$
$\small =30^2 : (2^3+2)^2+(-1)=$
$\small =30^2 : (8+2)^2 -1=$
$\small =30^2 : 10^2 -1=$
$\small =(30 : 10)^2-1 =$
$\small =3^2-1 =$
$\small =9-1 = 8$