va roggg muult DAU COROANA ex 8 si 2 :a,b

Răspuns:
2.
A)
[tex]2019 {}^{0} = 1[/tex]
[tex]1 {}^{2019} = 1[/tex]
[tex]1 {7}^{2} = 289[/tex]
[tex]3 {}^{5} = 27[/tex]
B)
[tex](49 - 9)\div 4 + 49 - 1 + 0 = 58[/tex]
8.
X=12