简便运算 (本人财富值太少,所以······就没有悬赏分)
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:数学作业 时间:2024/06/23 00:20:54
简便运算 (本人财富值太少,所以······就没有悬赏分)
1、3597+845×76+24×843+1403
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2、125×83+125×75
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3、66÷33×16÷11
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1、3597+845×76+24×843+1403
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2、125×83+125×75
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3、66÷33×16÷11
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![简便运算 (本人财富值太少,所以······就没有悬赏分)](/uploads/image/z/17429627-11-7.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97+%EF%BC%88%E6%9C%AC%E4%BA%BA%E8%B4%A2%E5%AF%8C%E5%80%BC%E5%A4%AA%E5%B0%91%2C%E6%89%80%E4%BB%A5%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%E5%B0%B1%E6%B2%A1%E6%9C%89%E6%82%AC%E8%B5%8F%E5%88%86%EF%BC%89)
1、原式=(3597+1403)+[845x76+24x(843+2-2)]
=5000+(845x76+24x845-24x2)
=5000+845(76+24)-24x2
=5000+84500-48
=89452
2、原式=125(83+75)
=125(100+50+8)
=125x100+125x50+125x8
=12500+6250+1000
=19750
3、原式=2x16/11
=32/11
=5000+(845x76+24x845-24x2)
=5000+845(76+24)-24x2
=5000+84500-48
=89452
2、原式=125(83+75)
=125(100+50+8)
=125x100+125x50+125x8
=12500+6250+1000
=19750
3、原式=2x16/11
=32/11