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65x99十65的简便运算

65*99+65=65*(99+1)=65*100=6500 你好,本题已解答,如果满意,请点右上角“采纳答案”,支持一下.

65(100-1) =65*100-65 =6500-65 =6435

65x99用简算=65x(100-1)=65x100-65=6500-65=6435

65x(76十23)十65=65x99十65=65x(99十1),=65x100=6500,

65*99=65*(100-1)=65*100-65=6500-65=6435

65x99十 99十99x5=(65+1+5)x(100-1)=71x100-71x1=7100-71=7029

65x65十35x65 解:简便计算=65x(35+65)=65x100=6500 祝天天向上.

=65*(101-1)=65*100=6500

65x36十64x65简便计算过程65x36十64x65=65x(36+64)=65x100=6500

99*65的简便计算99*65=100*65-65=6500-65=6435

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