Răspuns :
a. x<5,3+1.37, x<6,67, x∈{0,1,2,3,4,5,6}
b. x≤5,3-2,47, x≤2,83, x∈{0,1,2}
c. x≥2,3²+2,37=7,66, x∈{7,8,9....}
b. x≤5,3-2,47, x≤2,83, x∈{0,1,2}
c. x≥2,3²+2,37=7,66, x∈{7,8,9....}
a) x-1,37∠5,3 /+1,37
x∠ 6,67 x∈{6, 5, 4, 3, 2, 1, 0}
b) x+2,47≤5,3 /-2,47
x≤2,83 x∈ {0, 1, 2}
c) x-2,37≥2,3√2
x-2,37≥2,3×1,4142
x-2,37≥3,25 /+2,37
x≥5,62 x∈{6, 7, 8, 9, .........+∞}
x∠ 6,67 x∈{6, 5, 4, 3, 2, 1, 0}
b) x+2,47≤5,3 /-2,47
x≤2,83 x∈ {0, 1, 2}
c) x-2,37≥2,3√2
x-2,37≥2,3×1,4142
x-2,37≥3,25 /+2,37
x≥5,62 x∈{6, 7, 8, 9, .........+∞}