已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值错了 是求a²+11ab+9b²的值
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![已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值错了 是求a²+11ab+9b²的值](/uploads/image/z/5909805-45-5.jpg?t=%E5%B7%B2%E7%9F%A5a%26%23178%3B%2B5ab%3D7%2C3b%26%23178%3B%2B2ab%3D51.%E6%B1%82a%26%23178%3B%2B11ab%2Bab%26%23178%3B%E7%9A%84%E5%80%BC%E5%B7%B2%E7%9F%A5a%26%23178%3B%2B5ab%3D7%2C3b%26%23178%3B%2B2ab%3D51.%E6%B1%82a%26%23178%3B%2B11ab%2Bab%26%23178%3B%E7%9A%84%E5%80%BC%E9%94%99%E4%BA%86+%E6%98%AF%E6%B1%82a%26%23178%3B%2B11ab%2B9b%26%23178%3B%E7%9A%84%E5%80%BC)
已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值错了 是求a²+11ab+9b²的值
已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值
已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值
错了 是求a²+11ab+9b²的值
已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值已知a²+5ab=7,3b²+2ab=51.求a²+11ab+ab²的值错了 是求a²+11ab+9b²的值
错了
是a²+11ab+9b²
=a²+5ab+6ab+9b²
=(a²+5ab)+3(3b²+2ab)
=7+3×51
=160
有答吗?