若√2取近似值1.4,√3取近似值1.7,试求√0.24的近似值.
问题描述:
若√2取近似值1.4,√3取近似值1.7,试求√0.24的近似值.
答
√0.24 =√(24/100) =(√24)/10 =(√2*2*2*3)/10 =2*√2*√3/10 =2*1.4*1.7/10 =0.476
若√2取近似值1.4,√3取近似值1.7,试求√0.24的近似值.
√0.24 =√(24/100) =(√24)/10 =(√2*2*2*3)/10 =2*√2*√3/10 =2*1.4*1.7/10 =0.476