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8х+3у =24
1) y=24
24x+25*24=600
x+25=25
x=0
M(0;24)
2) x=25
24*25+25y=600
24+y=24
y=0
M(25;0)
10 × √0.25 + 1 ÷ 26 × √169 =10*0,5 + 1÷ 26 × 13 = 5+ 1/2 = 5,5