a) : b) c) . d)
Câu 2: (4,0 điểm)
Mathematics, 25.10.2021 01:10 xoohaleey
Câu 1: (4,0 điểm)
Thực hiện phép tính
a) : b) c) . d)
Câu 2: (4,0 điểm)
Số viên bi của ba bạn Hà, Hoa, Lan tỉ lệ với các số 3; 4; 2. Tính số viên bi của mỗi bạn, biết rằng ba bạn có tất cả 63 viên bi
Câu 3: (2,0 điểm)
1) Làm tròn các số sau đến chữ số thập phân thứ hai
a) 0,263 b) 13,419
2) Làm tròn các số sau đến hàng trăm
a ) 2353 b) 7918
Answers: 3
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Câu 1: (4,0 điểm)
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a) : b) c) . d)
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a) : b) c) . d)
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