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102乘99的简便运算

102×99 =(100+2)×99 =100×99+2×99 =9900+198 =10098

102×99简便方法计算 解: 102×99 =102×(100-1) =102×100-102×1 =10200-102 =10098

102×99 =(100+2)×99 =100×99+2×99 =9900+198 =10098 你好,本题已解答,如果满意,请点右上角“采纳答案”,支持一下。

102*(100-1) =102*100-102*1 =10200-102 =10098

100x43+2x43

详细方法如下: 99*102+9*111*11*3=99*102+99*333=99*(102+333)=(100-1)*435=43500-435=43065

=102*(98+1) =(100+2)*99 =100*99+2*99 =9900+198 =10098

【解答】 102x99 = (100+2)x(100-1) =100x(100-1)+2x(100-1) =100x100-100+200-2 =100982x125=2x(100+25)=2x100+2x25=2504x60x50x8=(4x50)x(60x8) =200x480=96000 【知识回顾与扩充】 运算律主要有: 1 . 加法交换律:两个数相加...

14乘以(100➕2) 14乘以100➕14乘以2 1400➕28 1428

102×93 =(100+2)*93 =100*93+2*93 =9300+186 =9486

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