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

Toán Lớp 6: 1,thực hiện phép tính(hợp lý nếu có thể) a, -23.63+23.21-58.23 b,[(-851)+5924]+[(-5924)+581] c,2004+[520+(-2004)] 2. a, 3x+27=9 b, 2x+ 12=3(x-7 c, 5-x=17-(-5) d, -x-14+23=-37 3. B= a35b chia cho 3 và 5 { "@context": "https://schema.org", ...

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