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Arsen3108
@Arsen3108
August 2022
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Раздели число 64 в отношении a:b, если:4. Раздели число 64 в отношении a:b, если: a=(3 1/5-2 8/15+1 5/18)∙(3.6) b=(0,2∙1,8-0,2∙0,8)/(0,2)^3
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ndusha
Verified answer
A=(3 1/5-2 8/15+1 5/18)∙(3.6) =(3 18/90-2 48/90+1 25/90)∙(3.6)=(2-5/90)(3,6)=
=(2-5/90)(3,6)=(2-1/18)(3,6)=1 17/18*3,6=35/18*3,6=35*0,2=7
b=(0,2∙1,8-0,2∙0,8)/(0,2)^3=0,2
(1,8-0,8)/(0,2)^3=0,2*1/(0,2)^3=1/(0,2)^2=1/0.04=25
a:b = 7:25
7х+25х=64
32х=64
х=64/32=2
2*7=
14
2*25=
50
Проверка
14/50=7/25
2 votes
Thanks 4
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Answers & Comments
Verified answer
A=(3 1/5-2 8/15+1 5/18)∙(3.6) =(3 18/90-2 48/90+1 25/90)∙(3.6)=(2-5/90)(3,6)==(2-5/90)(3,6)=(2-1/18)(3,6)=1 17/18*3,6=35/18*3,6=35*0,2=7
b=(0,2∙1,8-0,2∙0,8)/(0,2)^3=0,2(1,8-0,8)/(0,2)^3=0,2*1/(0,2)^3=1/(0,2)^2=1/0.04=25
a:b = 7:25
7х+25х=64
32х=64
х=64/32=2
2*7=14
2*25=50
Проверка
14/50=7/25