bi?n. Trong ?ó ph?ii k? ??n c?ng Cái Mép Th? Vài dài h?n 20 km . Bác d??p l?, T?t. trong nh?ng ??a ?i?m thu hút khách t?i nghi d??ng, ??c bi?t vào các d?p l?, T?t. c. To?n: Bài 1: Vi?t s? thích h?p vào ch? ch?m: \[ \begin{array}{l} \text { d?c bi?t vào cacer } \\ \mathrm{m}: \\ 834 \mathrm{dm}^{2}=\ldots \ldots .8 \ldots \mathrm{~m}^{2} \ldots 3.4 \ldots . \mathrm{dm}^{2} \\ \mathrm{dm}^{2} \end{array} \] \( 3 \mathrm{~m}^{\frac{\mathrm{c}}{2}} 74 \mathrm{dm}^{2}=3.74 \ldots \mathrm{dm}^{2} \) \( 8 \mathrm{~m}^{2} 50 \mathrm{dm}^{2}=8.50 \ldots \ldots \mathrm{dm}^{2} \) \( 834 \mathrm{dm}^{2}= \) \( 350 \mathrm{dm}^{2}= \) \( 6 \mathrm{~m}^{2} 53 \mathrm{dm}^{2}=60.53 \ldots \mathrm{~cm}^{2} \) \( 760 \mathrm{~cm}^{2}=\cdots \cdots \cdot \mathrm{dm}^{2} \) \( \qquad \) . 60 \( \qquad \) \( \mathrm{m}^{2} \) \( 6 \mathrm{~m}^{2} 53 \mathrm{dm}^{2}=9 \mathrm{~m}^{2} 9 \mathrm{dm}^{2}=\ldots 9 . . . \mathrm{cm}^{2} \) Bài 2. Ng??i ta xây m?t hàng rào xung quanh m?nh ??t hình ch? nh?t có di?n tích \( 220 \mathrm{~m}^{2} \), Chi??u r?ng cuua Bài 3. M?t m?nh ??t hình ch? nh?t có chu vi 78 m , chi?u dài h?n chiêng C? tr?ng b?p c?i và cà chua trên m?nh Bài 4. Cô Hà có m?t m?nh v??n hình ch? nh?t dài 15 m vá v??n ?ó. Di?n tích tr?ng cà chua l?n h?n di?n tích trôn chua. Bài 5. Cô Hà tr?ng khoai lang trên th?a ru?ng hình ch? nh?t dai nhiêu ki - \( 10 \hat{-} \) - gam khoai lang t? th?a ru?ng? Hà thu ho?ch ???c 40 kg khoai lang. H?i cô Hà thu ???c bao nhiêu ki - 10 - gam khoai lang tiut thîa ru?ns tó.
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Since \(1 \, \text{m}^2 = 100 \, \text{dm}^2\), we have: \[ 834 \, \text{dm}^2 = 8 \, \text{m}^2 \, 34 \, \text{dm}^2 \] Show more…
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