
Họ và tên:………………………… ĐỀ THI HỌC SINH GIỎI CẤP TRƯỜNG
MÔN TOÁN- LỚP 4
Bài 1.Tính bằng cách thuận tiện:
a) 28400 : (100 x 311 – 310 x 100)
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b) + + + + +
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Bài 2: Tìm x
a) 4590: (X - 24 + 14) = 30 b)61 x (126 : X) = 1281
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Bài 3: So sánh các phân số sau: (Không quy đồng tử số hoặc mẫu số)
và ; …
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