计算:(2m+1/2)(4m-1)(4m∧2-1/4)-4m∧2(2m+1)(2m-1)
题目
计算:(2m+1/2)(4m-1)(4m∧2-1/4)-4m∧2(2m+1)(2m-1)
答案
(2m+1/2)(4m-1)(4m∧2-1/4)-4m∧2(2m+1)(2m-1)=1/2 (4m+1)(4m-1)(4m∧2-1/4)-4m∧2(4m²-1)=1/8 [(16m²-1)(16m²-1)]-16m^4+4m²=32m^4-4m²+1/8-16m^4+4m²=16m^4+1/8
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点