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danil101286
@danil101286
July 2022
2
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решите пропорцию
3/10:0.18=9/100:x
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natabyl
Для удобства переведем все в десятичные дроби 3/10=0,3, 9/100=0,09
0,3/0,18=0,09/х, отсюда х=(0,09*0,18)/0,3=0,0162/0,3=0,054
Ответ х=0,054
0 votes
Thanks 1
армения20171
3/10*х=0,18*9/100
0,3*х=0,18*0,09
0,3х=0,0162
х=0,0162:0,3
х=0,054
2 votes
Thanks 2
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Answers & Comments
0,3/0,18=0,09/х, отсюда х=(0,09*0,18)/0,3=0,0162/0,3=0,054
Ответ х=0,054
0,3*х=0,18*0,09
0,3х=0,0162
х=0,0162:0,3
х=0,054