(*代表平方)求:736*-264*+99.9*
答案:3 悬赏:80 手机版
解决时间 2021-11-17 07:57
- 提问者网友:暮烟疏雨之际
- 2021-11-16 22:30
(*代表平方)求:736*-264*+99.9*
最佳答案
- 五星知识达人网友:鸠书
- 2021-11-16 23:18
736²-264²+99.9²
= (736-264)(736+264) + (100-0.1)²
= 472×1000 + 100² - 2×100×0.1 + 0.1²
= 472000 + 10000 - 20 + 0.01
= 482000.01 - 20
= 481980.01
= (736-264)(736+264) + (100-0.1)²
= 472×1000 + 100² - 2×100×0.1 + 0.1²
= 472000 + 10000 - 20 + 0.01
= 482000.01 - 20
= 481980.01
全部回答
- 1楼网友:爱难随人意
- 2021-11-17 00:59
736*-264*+99.9*
=(736+264)(736-264)+(100-0.1)^2
=1000×472+100^2-2×100×0.1+0.1^2
=481980.01
=(736+264)(736-264)+(100-0.1)^2
=1000×472+100^2-2×100×0.1+0.1^2
=481980.01
- 2楼网友:时间的尘埃
- 2021-11-17 00:41
736*-264*+99.9*
=(736-264)*(736+264)+(100-0.1)²
=472*1000+10000-20+0.01
=481980.01
=(736-264)*(736+264)+(100-0.1)²
=472*1000+10000-20+0.01
=481980.01
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