what is 3[10-(27÷9)]?
first do (27/9) which comes out to 3, then it's (10-3) which is 7, then 7*3 so your answer is 21 3[10-(27/9)]3[10-3]3[7]21
3[10-(27÷9)] 3(10-3) 3x7 21 3[10-(27÷9)]= 21
