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Sonya200622
@Sonya200622
July 2022
1
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вот задача номер 614
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Flash3146
(19-16)*54=3*54=162(км)-S
v2-x
(162+((24-19)*54))+(24-19)x=642
(162+(5*54)+5x=642
162+270+5x=642
5x=642-432
5x=210:5
x=42(км/ч)
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Answers & Comments
v2-x
(162+((24-19)*54))+(24-19)x=642
(162+(5*54)+5x=642
162+270+5x=642
5x=642-432
5x=210:5
x=42(км/ч)