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[(4,2)²-4]:(2-1,6)²
[(21/5)²-4]:(0,4)²
(17,64-4):0,16
13,64:0,16=85,25
b.
(1,8+2²)²-6²
5,8²-6²
33,64-36
=-2,36
c.
(1,4-0,9)³*[2,25+(0,5)²]
0,5³*2,5
0,125*2,5
=0,3125
Nastepny zalacznik
2^5+(-3)³/(4-3,8)²+[2*(-0,25)+1,5]³
32-27/0,04 + (-0,5+1,5)³
125 + 1
= 126
(6,4-3,8)²-(4,9+1,5)²
(2,6)²-(6,4)²
6,76-40,96
=-34,2
I napisane własnoręcznie
(3,375-1,375)²*2,5+(1,25-3,25)²/(-2)³
2²*2,5+(-2)²/-8
10+4/-8
=14/-8=-1,75
Pozdrawiam
ps. brzydkie wyniki macie w tej książce :)