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Joshk171
@Joshk171
August 2022
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Розв'язати рівняння:
1) 4,5*(10x+5,5)=90
2) 10:(18-100x)=2,5
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Answers & Comments
likarobert06
4,5*(10x+5,5)=90
45x+24,75=90
45x=90-24,75
x=65.25:45=1,45
Проверка:
4,5*(10*1,45+5,5)=90
4,5*14,5+24,75=65,25+24,75=90
10:(18-100x)=2,5
10=2,5*(18-100х)
10=45-250х
250х=45-10=35
х=35:250=0,14
Проверка:
10:(18-100*0,14)=10:4=2,5
7 votes
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Answers & Comments
45x+24,75=90
45x=90-24,75
x=65.25:45=1,45
Проверка:
4,5*(10*1,45+5,5)=90
4,5*14,5+24,75=65,25+24,75=90
10:(18-100x)=2,5
10=2,5*(18-100х)
10=45-250х
250х=45-10=35
х=35:250=0,14
Проверка:
10:(18-100*0,14)=10:4=2,5