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
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1
Answer:
-{+{-(-)}
=-{+{-}
=-+()
=-
=
........................
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