Câu hỏi của nguyễn thảo hân

Question

rút gọn biểu thức :3(2^2+1)(2^4+1)(2^8+1)(2^16+1)

pham trung thanh · Accepted Answer

$3\left(2^2+1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^2-1\right)\left(2^2+1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^4-1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^8-1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^{16}-1\right)\left(2^{16}+1\right)$$=2^{32}-1$Câu trả lời: $3\left(2^2+1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^2-1\right)\left(2^2+1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^4-1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^8-1\right)\left(2^8+1\right)\left(2^{16}+1\right)$$=\left(2^{16}-1\right)\left(2^{16}+1\right)$$=2^{32}-1$

minhduc · Answer

3.(22+1).(24+1).(28+1).(216+1)=(22-1).(22+1).(24+1).(28+1).(216+1)=(24-1).(24+1).(28+1).(216+1)=(28-1).(28+1).(216+1)=(216-1).(216+1)=232-1Câu trả lời: 3.(22+1).(24+1).(28+1).(216+1)=(22-1).(22+1).(24+1).(28+1).(216+1)=(24-1).(24+1).(28+1).(216+1)=(28-1).(28+1).(216+1)=(216-1).(216+1)=232-1

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