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
=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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浪费人民币
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