3(√3-√2)-2(√3+√2)精确到0.01
问题描述:
3(√3-√2)-2(√3+√2)精确到0.01
答
3(√3-√2)-2(√3+√2)
=3√3-3√2-2√3-2√2
=√3-5√2
≈1.73-5*1.41
=1.73-7.05
=-5.22