Question

expressões algébricas. ME AJUDEMMMMMM

Answer 1

-(-2)-√(-2)²-4•3•1/2•3

2-√(-2)²-4•3•1/2•3
2-√4-4•3/6
2-√4-12/6
2-√-8/6
2-√2²+2²/6
2-2-2/6
-2/6
-⅓