Question

urgent va roggg!!!!!!​

Answer 1

Răspuns:

1.

rad[646-5×rad(7×28)] =

rad(646-5×14) =

rad(646-70) =

rad576 =

24

2.

-3 < -2 întregi 1/2 < -rad6 < -0,8(3) < 6 < 3rad5 < 6rad3

3.

AnN={rad4, rad(8^2)/2, rad36}

AnZ={rad4, rad(8^2)/2, rad36}

AnQ={-2,56 ; -2,(7) ; rad4 ; rad(8^2)/2 ; rad(1 întreg 7/9) ; rad36}

An(R-Q)={rad6, -rad18, rad12}