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iri57558
@iri57558
August 2022
1
17
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реши уравнение: 39*4-(y*40+60)/3=16
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Валентина409
39*4-(у*40+60)/3=16
156-(у*40+60)/3=16
(у*40+60)/3=156-16
у40+60=140*3
40у+60=420
40у=420-60
40у=360
у=9
проверка
39*4-(9*40+60)/3=16
156-140=16
16=16
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Answers & Comments
156-(у*40+60)/3=16
(у*40+60)/3=156-16
у40+60=140*3
40у+60=420
40у=420-60
40у=360
у=9
проверка
39*4-(9*40+60)/3=16
156-140=16
16=16