4 F X   X X2 X1A)  ;1 B) 1; C) R D) 0;

câu 81. - 450 CAU TRAC NGHIEM FILE WORD

450 CAU TRAC NGHIEM FILE WORD

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Câu 81.4

^{f x}

 

^

^x

^

^x

²

^

^x

^

¹

a)



^{ }

^;1



b)



^1;

^



c)

R

d)



^0;

^

