Question

3-{[ 126 - ( 12 - 21 - 49 )] : 4}=?




{ 6 • [( - 75+ 8 ) • 5]}: 3=?




ME AJUDEM! ​

Answer 1

3-{[126-(12-21-49)]:4}
3-{[126+58]:4}
3-{184:4}
3-46
-43

{6•[(-75+8)•5]}:3
{6•[-67•5]}:3
{6•[-335]}:3
{-2010}:3
-670

bons estudos :)