Question

Efectuati urmatoarele calcule, utilizand formula (a-b)^2=a^2-2ab+b^2.
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Answer 1

a) 2-1^2= 1
b) 10-4^2= -6
c) 3-7^2= -46
d) 7-6^2= -29
e) 5-2= 3
f) 7-4^2= -9
g) 13-3= 10
h) 19-7= 12
i) 4^2-6= 10

Sper ca e bine!!