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

你好,很高兴为你解答,答案如下: 28x102 =28x(100+2) =28x100+28x2 =2800+56 =2856 希望我的回答对你有帮助,满意请采纳。

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。

99÷102 =99×1/102 =﹙102-3﹚×1/102 =102×1/102-3×1/102 =1-1/34 =33/34 等于34分之33

102(100-1)=102*100-102=102*100-100-2=101*100-2=10100-2=10098

=102*(100-1) =10200-102 =10198

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

解:根据拆分法和分配律的简便方法, 原式=102x(100-1) =102x100-102x1 =10200-102 =10098

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