102×(90+910÷13)简便运算
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答案16320,简便计算102×(90+910÷13) =102x(90+70) =102x160 =(100+2)x160 =100x160+160x2 =16000+320 =16320
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102×(90+910÷13)简便运算
答案16320,简便计算102×(90+910÷13) =102x(90+70) =102x160 =(100+2)x160 =100x160+160x2 =16000+320 =16320
答案16320,简便计算102×(90+910÷13) =102x(90+70) =102x160 =(100+2)x160 =100x160+160x2 =16000+320 =16320,拆分的方法102=100+2,然后运用乘法分配律