π-根号6(精确到0.01)
问题描述:
π-根号6(精确到0.01)
3次根号9—根号7=
答
π-根号6
≈3.142-2.449
=0.693
≈0.69
3次根号9—根号7
≈2.080-2.646
=-0.566
≈-0.57