Simplify
(a) 144 ÷ 3 of 4 - 2(18 - 10+6)
(b) 40-[15 {80÷8 (2-3)}]
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Answer:
a)( 576÷3)-28
192-28
164
b) 40-[15 {80÷8 (-1)}]
40-[15 {-10}]
40-[5]
35
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