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bottle
@bottle
July 2022
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Раскрой скобки и реши уравнения: а)4,8-( x -6,2+4)=6,8; б)y -(2,7-3,4)+(0,2-9,8)= -15; в)1целая5/6-(7/12-1/5+x)= -1/12. решите пожалуста
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triolana
Verified answer
4,8-(x-6,2+4)=6,8
4,8-(x-2,2)=6,8
4,8-x+2,2=6,8
7-x=6,8
x=7-6,8
x=0,2
=======================
y-(2,7-3,4)+(0,2-9,8)=-15
y-2,7+3,4+0,2-9,8=-15
y-8,9=-15
y=-15+8,9
y=-6,1
===========================
1 5/6-(7/12-1/5+x)=-1/12
1 5/6-7/12-1/5+x=-1/12
21/20+x=-1/12
x=-1/12-21/20
x=-17/15=-1 2/15
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Answers & Comments
Verified answer
4,8-(x-6,2+4)=6,84,8-(x-2,2)=6,8
4,8-x+2,2=6,8
7-x=6,8
x=7-6,8
x=0,2
=======================
y-(2,7-3,4)+(0,2-9,8)=-15
y-2,7+3,4+0,2-9,8=-15
y-8,9=-15
y=-15+8,9
y=-6,1
===========================
1 5/6-(7/12-1/5+x)=-1/12
1 5/6-7/12-1/5+x=-1/12
21/20+x=-1/12
x=-1/12-21/20
x=-17/15=-1 2/15