Witam.
Zad 3
a) 7²+7•2=7•7+7•2=49+14=63
b) 8²+3•2³=64+3•8=64+24=88
c) (4+1)²+5•8=(4+1)•(4+1)+40=16+4+4+1+40=
=20+5+40=65
d) 3•(5²+2³)=3•(25+8)=3•33=99
Pozdrawiam,
Michał
Odpowiedź:
zad3
7² + 7 * 2 = 49 + 14 = 63
8² + 3 * 2³ = 67 + 28 = 95
(4 + 1)² + 5 * 8 = 25 + 40 = 65
3 * (5² + 2³) = 3 * 31 = 91
