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

Toán Lớp 9: Giải hệ phương trình $\left \{ {{2|x+y|+|x-y|=7} \atop {-|x+y|+4|x-y|=10}} \right.$

Toán Lớp 9: Giải hệ phương trình
$\left \{ {{2|x+y|+|x-y|=7} \atop {-|x+y|+4|x-y|=10}} \right.$

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

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