根号2的立方-(根号2)/2为多少?
问题描述:
根号2的立方-(根号2)/2为多少?
答
√2^3-√2/2
=2√2-√2/2
=√2*(2-1/2)
=3/2*√2
根号2的立方-(根号2)/2为多少?
√2^3-√2/2
=2√2-√2/2
=√2*(2-1/2)
=3/2*√2