\(2,7< 2,71< 2,8\)
\(10,47< 10,471< 10,48\)
b: \(x\in\left\{2.71;2.75\right\}\)
c: \(x\in\left\{10.475;10.476\right\}\)
\(2,7=2,70\)
\(2,8=2,80\)
\(x=2,71;2,72;2,73;....\)
2,7 < x < 2,8
có: 2,7 = 2,70 ; 2,8 = 2,80
--> x = 2,75 ; 2,79
10,47 < x < 10,48
có: 10,47 = 10,470 ; 10,48 = 10,480
--> x = 10,476 ; 10,474
2,7 < 2,71 < 2,8.
10,47 < 10,471 < 10,48.
2,7 < 2,71 < 2,8.
10,47 < 10,471 < 10,48.