b-2a=-3
ab=2
3a^2b^3-6a^3b^2
=3a^2b^2(b-2a)
=3(ab)^2(b-2a)
=3*2^2*(-3)
=12*(-3)
=-36
b-2a等于-3,ab等于2,则代数式3a^2b^3-6a^3b^2的值是什么
b-2a等于-3,ab等于2,则代数式3a^2b^3-6a^3b^2的值是什么
数学人气:875 ℃时间:2019-11-11 14:45:46
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