Resposta:
a) 1 < 2
b) 2 > 1
c) 3 > 2
d) 4 < 5
e) 10 > 6
f) 15 > 6
g) 7^0 < 10^1
h) 10^1 < 10^2
i) |-5| < 6
j) |-6| < 7
k) √9+√4 = 3+2 > 3+1
l) |-a| = |a| = |+a|
m) |-b| = |b|
n) |(-c)²| = |-c|² = |c|² = c², |(-c)×(-c)| = |c²| = c², então |(-c)²| = |(-c)×(-c)|
o) |-x| = |x| = |-(-x)|.
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Resposta:
a) 1 < 2
b) 2 > 1
c) 3 > 2
d) 4 < 5
e) 10 > 6
f) 15 > 6
g) 7^0 < 10^1
h) 10^1 < 10^2
i) |-5| < 6
j) |-6| < 7
k) √9+√4 = 3+2 > 3+1
l) |-a| = |a| = |+a|
m) |-b| = |b|
n) |(-c)²| = |-c|² = |c|² = c², |(-c)×(-c)| = |c²| = c², então |(-c)²| = |(-c)×(-c)|
o) |-x| = |x| = |-(-x)|.