Ответ:
Пошаговое объяснение:
а)50-100%
18-х
х=18*100:50
х=36%
б)9*100:72=12.5%
в)1.2*100:15=8%
г)8/15-х
5 1/3-100%
х=8/15*100:5 1/3
8/15:16/3=8/15*3/16=1/5*1/2=1/10=0.1*100
х=10%
д)0.42*100:5.6=7.5%
е)11 1/5=11.2
11.2*100:7.2=155.5%
ж)a*100%:b
з)m*100%:n
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Answers & Comments
Ответ:
Пошаговое объяснение:
а)50-100%
18-х
х=18*100:50
х=36%
б)9*100:72=12.5%
в)1.2*100:15=8%
г)8/15-х
5 1/3-100%
х=8/15*100:5 1/3
8/15:16/3=8/15*3/16=1/5*1/2=1/10=0.1*100
х=10%
д)0.42*100:5.6=7.5%
е)11 1/5=11.2
11.2*100:7.2=155.5%
ж)a*100%:b
з)m*100%:n