2^x=2^6+2^6 Mk đần phân vân giữa 2^7 2^12

Question

2^x=2^6+2^6 Mk đần phân vân giữa 2^7 2^12

Question

2^x=2^6+2^6
Mk đần phân vân giữa
2^7
2^12

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Môn Toán Dulcie 4 years 2020-11-04T12:43:01+00:00 2020-11-04T12:43:01+00:00 2 Answers 61 views 0

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

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dangkhoa · Answer 1 · 2020-11-04T12:44:04+00:00

dangkhoa

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2020-11-04T12:44:04+00:00 November 4, 2020 at 12:44 pm

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`2^x=2^6+2^6`

`=> 2^x = 64 + 64 = 128`

`=> 2^x=2^7`

`=> x = 7`

Gerda · Answer 2 · 2020-11-04T12:44:45+00:00

Gerda

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2020-11-04T12:44:45+00:00 November 4, 2020 at 12:44 pm

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Đáp án:

$2^{7}$ = $2^{6}$ + $2^{6}$

Giải thích các bước giải:

Ta có:

$2^{x}$ = $2^{6}$ + $2^{6}$

$2^{x}$ = $128$

$2^{x}$ = $2^{7}$

$\Rightarrow$ $x$ = $7$

Vậy $2^{7}$ = $2^{6}$ + $2^{6}$

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