123乘322加333分之456加123乘321的简便计算

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123乘322加333分之456加123乘321的简便计算123乘322加333分之456加123乘321的简便计算123乘322加333分之456加123乘321的简便计算(123乘322加333)

123乘322加333分之456加123乘321的简便计算
123乘322加333分之456加123乘321的简便计算

123乘322加333分之456加123乘321的简便计算
(123乘322加333)分之(456加123乘321)
=(123乘321+123加333)分之(456加123乘321)
=(123乘321加456)分之(456加123乘321)
=1

请用数学符号表示一下 please

123×322+456/333+123×321