(20-2{5+(-18}2(5-2+4)} find the value
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Answer:
20-2{5+(-18)2(5-2+4)}
= 20-2{5-18×2(9-2)}
= 20-2{5-18×2×7}
= 20-2{5-18×14}
= 20-2{5-252}
= 20-2{-247}
= 20-2×-247
= 20+494
= 514
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