(5的四次方×3³-5³×3²+5²×3)÷15
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 03:34:57
![(5的四次方×3³-5³×3²+5²×3)÷15](/uploads/image/z/1763203-67-3.jpg?t=%EF%BC%885%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%C3%973%26%23179%3B-5%26%23179%3B%C3%973%26%23178%3B%2B5%26%23178%3B%C3%973%EF%BC%89%C3%B715)
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(5的四次方×3³-5³×3²+5²×3)÷15
(5的四次方×3³-5³×3²+5²×3)÷15
(5的四次方×3³-5³×3²+5²×3)÷15
(5的四次方×3³-5³×3²+5²×3)÷15
=(5的四次方×3³)÷15-(5³×3²)÷15+(5²×3)÷15
=5的三次方×3的二次方-5的二次方×3的一次方+5的一次方
=125×9 - 25×3+5
=1055