平方差
原式=(9a^2-4b^4)(9a^2+4b^4)
=81a^4-16b^8
计算题：(3a+2b^2)(3a-2b^2)(9a^2+4b^4)
计算题：(3a+2b^2)(3a-2b^2)(9a^2+4b^4)
数学人气：427 ℃时间：2019-11-17 09:00:24
优质解答
我来回答
类似推荐
猜你喜欢
- 1only by working hard can you realize your goal,这是哪一句名言?
- 2唯物史观与唯心史观有什么区别?
- 3直接引语变间接 The teacher said to me,"Will you please not smoke here?"
- 4万有引力与向心力的区别
- 5从课文《再见了亲人》中挑选一件朝鲜人名为志愿军战士所做的事,展开想象,再写下来.”
- 6More attention should be paid to▁（help）those who need mose help.
- 7英语翻译——提高了我们的生活效率
- 8break the rule还是break the rules?
- 9I need some things for class this afternoon.Can you bring them to school for me,please?
- 10碳酸钠 硝酸 硝酸银 氯化钡 氯化钠 不用其他试剂怎么鉴别,.