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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Tính hợp lý: a) A = 1995 x 873 - 1996 x 127 …………………………………………………………………… ………………………………………………………………… ……………………………………………………………… b) B = 9,8+8,7+7,6+...+2,1 - 1,2 - 2,3 - 3,4-....-8,9 …………………………………………………………………… ………………………………………………………………… ……………………………………………………………… Mn help mình thanks. { "@context": "https://schema.org", ...

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