how to simplify using property of numbers the expression 117+19+11+57

use property of numbers to simplify expression 117+19+11+57
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1 Answer

117+19+11+57

=(120-3)+(20-1)+(10+1)+(60-3)

=(120+20+10+60+1)-3-1-3

=(150+61)-(3+1+3)

=211-7

=204
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