Why are the following expressions not monomials? 3xy^Z 1-2s (ab)^1/2

Question

Why are the following expressions not
monomials?
3xy^Z
1-2s
(ab)^1/2

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Vân Khánh 3 years 2021-08-27T08:19:17+00:00 1 Answers 11 views 0

Answers ( )

    0
    2021-08-27T08:20:45+00:00

    3xy^z: exponent is not a nonnegative int.

    r-2s: it is not a product

    (ab)^1/2: exponent is not a nonnegative int.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )