Question

arata ca numerele urmatoare sunt patrate perfecte. a)25³⁶ b)4⁷⁵ c)625⁷ d)9²⁷ e)121¹²¹ f)(2*8)¹⁷ g)32¹⁹:2¹⁹ h)81¹²⁵​

Answer 1

Răspuns:

a) 25³⁷ = (5²)³⁷ = (5³⁷)²

b) 4⁷⁵ = (2²)⁷⁵ = (2⁷⁵)²

c) 625⁷ = (25²)⁷ = (25⁷)²

d) 9²⁷= (3²)²⁷ = (3²⁷)²

e) 121¹²¹ = (11²)¹²¹ = (11¹²¹)²

f) (2x8)²¹= (16)²¹ = (4²)²¹= (4²¹)²

g) 32¹⁹: 2¹⁹ = 16¹⁹= (4²)¹⁹ = (4¹⁹)²

h) 81¹²⁵ = (9²)¹²⁵ = (9¹²⁵)²

Answer 2

Răspuns:

Explicație:

a)

25³⁶=(5²)³⁶=(5³⁶)²

b)

4⁷⁵=(2²)⁷⁵=(2⁷⁵)²

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c)

625⁷=(25²)⁷=(25⁷)²

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d)

9²⁷=(3²)²⁷=(3²⁷)²

e)

121¹²¹=(11²)¹²¹=(11¹²¹)²

f)

(2*8)¹⁷=16¹⁷=(4²)¹⁷=(4¹⁷)²

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g)

32¹⁹:2¹⁵=(2⁵)¹⁹:2¹⁹=2⁹⁵:2¹⁹=2⁷⁶=(2²)⁷⁶=(2³⁸)²

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h)

81¹²⁵=(9²)¹²⁵= (9¹²⁵)²