Giải thích các bước giải:
`(3\sqrt{1728})/(3\sqrt{64})`
`= (\sqrt{1728})/(\sqrt{64})`
`= \sqrt{1728/64}`
`= \sqrt{27}`
`= \sqrt{9 . 3}`
`= 3\sqrt{3}`
` `
`= (\sqrt{1728 . 9})/(\sqrt{64 . 9})`
`= (\sqrt{15552})/(\sqrt{576})`
`= \sqrt{15552/576}`
chúc bạn học tốt
cách 1 = 3√1728 : 3√64 = 12:4 = 3
cách 2 = 3√1728:3√64 = 3√(1728/64) = 3√27 = 3
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cho một số có 5 chữ số chữ số hàng đơn vị là 4 nếu đổi hàng đơn vị lên đầu thì được số mới gấp 4 lần số cũ.số đó là giải rõ ra nhe
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Viết thân bài của bài văn biểu cảm về một người thân trong gia đình mà em yêu quý và kính trọng. Viết theo gợi ý sau 1.Biểu cảm về đặc điểm ngoại hình 2.Biểu cảm về sở thích, tính cách, lối sống, cách ứng xử... 3.Biểu cảm về sự gắn bỏ, chăm sóc, dạy bảo của người đó dành cho em trong quá khứ (có thể kết hợp với 1 kỉ niệm đáng nhớ) 4.Tưởng tượng một tình huống trong tương lai gần liền với đối tượng biểu cảm ko đc copy trên mạng nhé
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