____÷(3a^2+2b),商式是3a^2-2b,余式是a-8b,

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____÷(3a^2+2b),商式是3a^2-2b,余式是a-8b,
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____÷(3a^2+2b),商式是3a^2-2b,余式是a-8b,
____÷(3a^2+2b),商式是3a^2-2b,余式是a-8b,

____÷(3a^2+2b),商式是3a^2-2b,余式是a-8b,
被除式=除式×商式+余式
=(3a^2+2b)(3a^2-2b)+a-8b
=9a^4-4b²+a-8b

这个数=(3a^2+2b)(3a^2-2b)+a-8b

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=(3a^2+2b)(3a^2-2b)+a-8b
=9a^4-4b²+a-8b