Question

20.Simplify: 27 − [5 +{28 −(29 −7)}] [Ans: 16 ]

21.Simplify: 48− [18 −{16 − (5 − (−4 +1))}] [Ans: 44 ]

22.Simplify: 222 − [

1

3

{42 + (56 − (8 + 9)+ 108}] [Ans: 87 ]

23.Simplify: 39− [23 −(17 −(9 +3))] [Ans: 34 ]24.Simplify: 118 − [121 ÷ (11 × 11) −(−4) −{3 − (9 + 2)}]

friends I want with explanation
and with sum​

Answer 1

Answer:

-{+{-(-)}

=-{+{-}

=-+()

=-

=

........................