2 3/5*7/11+4 3/11:( -5 3/4)=. Created by artsmir2000. matematika-ru

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artsmir2000 @artsmir2000

July 2022 1 1 Report

2 3/5*7/11+4 3/11:( -5 3/4)=

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prettypushkova

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2 3/5 * 7/11 + 4 3/11 : (-5 3/4) = 1153/1265

1) 2 3/5 * 7/11 = 13/5 * 7/11 = 91/55
2) 4 3/11 : (-5 3/4) = 47/11 : (-23/4) = 47/11 * (-4/23) = - 188/253
3) 91/55 + (-188/253) = 2093/1265 - 940/1265 = 1153/1265

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