256乘255分之254加254乘255分之1怎么简算
答案:2 悬赏:70
解决时间 2021-03-12 10:08
- 提问者网友:星軌
- 2021-03-12 05:49
256乘255分之254加254乘255分之1怎么简算
最佳答案
- 二级知识专家网友:狂恋
- 2021-03-12 06:54
256×254/255+254×1/255
= 256×254/255+254/255
= (256+1)×254/255
= (255+2)×254/255
= 254+508/255
= 254+1+253/255
=255+253/255
=255又253/255
= 256×254/255+254/255
= (256+1)×254/255
= (255+2)×254/255
= 254+508/255
= 254+1+253/255
=255+253/255
=255又253/255
全部回答
- 1楼网友:动情书生
- 2021-03-12 07:56
256x254/255+254x1/255
=(256+1)x254/255
=257x(1-1/255)
=257-257/255
=255又253/255
=(256+1)x254/255
=257x(1-1/255)
=257-257/255
=255又253/255
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