2+2*根号5-3*根号3 结果精确到0.1 急急急

2025-12-14 02:19:40
推荐回答(2个)
回答1:

2+2*根号5-3*根号3
=2+2*2.24-3*1.73
=2+4.48-5.19
=1.29
=1.3

回答2:

2+2×√5-3×√3
=2+2×2.23606799-3×1.732050808
=1.3