(2a+3)(3a+2)-6a(a+3)+5a+16 的值于a的取值无关

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(2a+3)(3a+2)-6a(a+3)+5a+16的值于a的取值无关(2a+3)(3a+2)-6a(a+3)+5a+16的值于a的取值无关(2a+3)(3a+2)-6a(a+3)+5a+16的值于a

(2a+3)(3a+2)-6a(a+3)+5a+16 的值于a的取值无关
(2a+3)(3a+2)-6a(a+3)+5a+16 的值于a的取值无关

(2a+3)(3a+2)-6a(a+3)+5a+16 的值于a的取值无关
(2a+3)(3a+2)-6a(a+3)+5a+16
=6a^2+9a+4a+6-6a^2-18a+5a+16
=22
所以与a无关

把这个算式化简不就行了