Question

56+722-√289+[3¹+(8-2)+[(51-10)²-(7-2)]

Answer 1

56 + 722 - √289 + [ 3 ¹ + (8 - 2) + [ ( 51 - 10 )² - (7 - 2 ) ] =
56 - 722 - 17 + [ 3 + ( 6 ) + [ (41)² - (5)] = 
56 - 722 - 17 +[ 3 + 6 + [1681 - 5 ] =
-666 - 17 + 9 + [ 1676] =
-683  +  9  +  1676 =
-674 + 1676 = 1002