Szybko bo na jutrooo
3) Oblicz:
a) 7²+7-2=
b) 8² +3.23=
c) (4+1)² +5-8=
d) 3-(5² +23) =
3) Oblicz:
a) 7²+7-2=
b) 8² +3.23=
c) (4+1)² +5-8=
d) 3-(5² +23) =
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Odpowiedź:
7² + 7 - 2 = 49 + 7 - 2 = 56 - 2 = 54
8² + 3, 23 = 64 + 3,23 = 67,23
(4 + 1)² + 5 - 8 = 25 + 5 - 8 = 22
3 - (5² + 23) = 3 - (25 + 23) = 3 - 2 = 1
Odpowiedź:
7²+7-2= 49+5= 54
8² + 3.23= 64+3.23= 67.23
(4+1)² + 5-8= 25+5-8 =22
3-(5²+23) = 3 - 48= -45
Szczegółowe wyjaśnienie: