Упростите выражение 1)4 2/9y+3 1/5-2y 2)5y-4 3/8y+4/5y. Created by Pingvinenok. matematika-ru

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July 2022 1 8 Report

Упростите выражение
1)4 2/9y+3 1/5-2y
2)5y-4 3/8y+4/5y

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jekadva $4 \frac{2}{9} y+3 \frac{1}{5} -2y=2 \frac{2}{9} y+3 \frac{1}{5}$
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$5y-4 \frac{3}{8} y+ \frac{4}{5}y= \frac{5}{8} y+ \frac{4}{5}y= \frac{25+32}{40}y = \frac{57}{40} y=1 \frac{17}{40} y$

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danizganiev спасибо

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