(√3+√2)*(√3-√2)= √1/7+√28-√700=
问题描述:
(√3+√2)*(√3-√2)= √1/7+√28-√700=
答
(√3+√2)*(√3-√2)=
=(√3)²-(√2)²
=3-2
=1
√1/7+√28-√700
=√7/7+2√7-10√7
=√7/7-8√7
=-55√7/8