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hoangkhanhtrunga3
2 năm trước
Bài 1 :Viết số - Ba đơn bị , mười phần một trăm :..... - Hai nghìn không trăm linh chín đơn vị , bảy phần trăm : ... Bài 2 : a. Số bé nhất trong các số : 57,843 ; 56,834 ; 57,354 ; 56,345 b. Số tự nhiên x biết : 15,89 < x < 16,02 là : Câu 3 : Một đội trồng rừng trung bình cứ 10 ngày trồng được 1500 cây thông . Hỏi trong 5 ngày đội đó trồng được bao nhiêu cây thông ? Câu 4 : Viết số thích hợp và chỗ chấm A.4,35$m^{2}$ = ....$dm^{2}$ B.8 tấn 35kg=....tấn C.5km50m=.............km D.$\frac{3}{4}$ ha = ....$m^{2}$ Câu 5 : Điền dấu < ; > ; = a. 38,2 ..... 38,19 45,08......45,080 b. 62,123 ...... 62,13 90,9.........89,9 Câu 6 : Tính a. 1$\frac{1}{2}$ + 1$\frac{1}{3}$ b. $\frac{3}{5}$ + $\frac{2}{5}$ x $\frac{21}{6}$ GIÚP Ạ =)))
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