Câu hỏi của Hoshikawa Kaori

Question

viet so tan cung cua cac so duoi day

a) 9^2k

b) 9^2k+1

c) 2²⁰⁰⁵

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Ichigo Sứ giả thần chết · Accepted Answer

a) 1

b) 9

c) 2

Câu trả lời:

a) 1

b) 9

c) 2

Lê Thị Diệu Thúy · Answer

a) 9^2k = ( 9²)^k = ( ..1 )^k = (...1) => CSTC la` 1

b) 9^2k + 1 = ( 9²)^k . 9 = (...1)^k . 9 = ( ....1).9 = (...9) => CSTC la` 9

c) 2²⁰⁰⁵ = 2²⁰⁰⁴ . 2 = ( 2⁴)⁵⁰¹. 2 = (..6)⁵⁰¹ .2 = (..6).2 =(...2) => CSTc la` 2

Câu trả lời:

a) 9^2k = ( 9²)^k = ( ..1 )^k = (...1) => CSTC la` 1

b) 9^2k + 1 = ( 9²)^k . 9 = (...1)^k . 9 = ( ....1).9 = (...9) => CSTC la` 9

c) 2²⁰⁰⁵ = 2²⁰⁰⁴ . 2 = ( 2⁴)⁵⁰¹. 2 = (..6)⁵⁰¹ .2 = (..6).2 =(...2) => CSTc la` 2