548-(148+63) 简便计算

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548-(148+63) 简便计算

548-(148+63) 简便计算
548-(148+63) 简便计算

548-(148+63) 简便计算
548-148-63
=400-63
=337

548-(148+63)
=548-148-63
=400-63
=337

548-(148+63)=548-148-63
=400-63
=337

548-(148+63)
=548-148-63
=400-63
=337

548-148-63=400-63=336

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548-(148+63)
=548-148-63
=400-63
=337

548-148-63=337

548-(148+63)
=(548-148)-63
=400-63
=337

548-148-63=400-63=337

548-(148+63)
=548-148-63
=400-63
=337