А=16
b-c=28
a+b+c=180
**************
а=16
b=28+c
16+28+c+c=180
**************
а=16
b=28+c
c=(180-(16+28))/2=68
**************
а=16
b=28+68=96
c=68
<span>5(2x-4)-(10x-24 ) = 10х-20-10х+24 = 4.</span>
Длина 13,12,11,10,9,8,
Ширина 1,2,3,4,5,6,
1) ∈
2) ∈
3) ∉
4) ∈
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