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

Toán Lớp 7: 2(3/4-5x)=4/5-3x a-b=2(a+b)=a:b

Toán Lớp 7: 2(3/4-5x)=4/5-3x
a-b=2(a+b)=a:b

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

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