一道数学七年级计算题:(a²+2ab+3b²)·2ab,求过程和结果.(a²+2ab+3b²)·2ab,最后一步就不会计算了.
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![一道数学七年级计算题:(a²+2ab+3b²)·2ab,求过程和结果.(a²+2ab+3b²)·2ab,最后一步就不会计算了.](/uploads/image/z/7624956-12-6.jpg?t=%E4%B8%80%E9%81%93%E6%95%B0%E5%AD%A6%E4%B8%83%E5%B9%B4%E7%BA%A7%E8%AE%A1%E7%AE%97%E9%A2%98%EF%BC%9A%EF%BC%88a%26%23178%3B%2B2ab%2B3b%26%23178%3B%EF%BC%89%C2%B72ab%2C%E6%B1%82%E8%BF%87%E7%A8%8B%E5%92%8C%E7%BB%93%E6%9E%9C.%EF%BC%88a%26%23178%3B%2B2ab%2B3b%26%23178%3B%EF%BC%89%C2%B72ab%2C%E6%9C%80%E5%90%8E%E4%B8%80%E6%AD%A5%E5%B0%B1%E4%B8%8D%E4%BC%9A%E8%AE%A1%E7%AE%97%E4%BA%86.)
一道数学七年级计算题:(a²+2ab+3b²)·2ab,求过程和结果.(a²+2ab+3b²)·2ab,最后一步就不会计算了.
一道数学七年级计算题:(a²+2ab+3b²)·2ab,求过程和结果.
(a²+2ab+3b²)·2ab,最后一步就不会计算了.
一道数学七年级计算题:(a²+2ab+3b²)·2ab,求过程和结果.(a²+2ab+3b²)·2ab,最后一步就不会计算了.
(a²+2ab+3b²) ·2ab
=a² ·2ab+2ab ·2ab+3b² ·2ab
=2a³b+4a²b²+6ab³