Răspuns:
a)
[tex]2 {}^{2} + 3 { }^{2} = 4 + 9 = 13[/tex]
e)
[tex]3 {}^{2} \times 2 + 1 = 9 \times 2 + 1 = 18 + 1 = 19[/tex]
i)
[tex]1 + 2 \times 3 {}^{4} = 1 + 2 \times 81 = 1 + 162 = 163[/tex]
b)
[tex]2 + 2 {}^{2} = 2 + 4 = 6[/tex]
f)
[tex]10 - 2 {}^{3} = 10 - 8 = 2[/tex]
j)
[tex](2 + 3) {}^{2} = 5 {}^{2} = 25[/tex]
c)
[tex]2 \times 3 {}^{2} = 2 \times 9 = 18[/tex]
g)
[tex]2 - 40 {}^{3} \div 40 {}^{30} = 2 - 40 {}^{0} = 2 - 1 = 1[/tex]
k)
[tex](2 \times 3 + 5) {}^{2} = (6 + 5) {}^{2} = 11 {}^{2} = 121[/tex]
d)
[tex]1 + 2 + 2 {}^{2} = 1 + 2 + 4 = 7[/tex]
h)
[tex]3 \times (3 {}^{2} + 3 {}^{3} ) =3 \times (9 + 27) = 3 \times 36 = 108[/tex]
l)
[tex]9 {}^{2} \times 2003 - 81 {}^{2} = 81 \times 2003 - 9 {}^{4} = 162243 - 9 {}^{4} = 155682[/tex]
