根号下0.4加根号下0.3减根号下0.2加根号下0.1咋算?
问题描述：
根号下0.4加根号下0.3减根号下0.2加根号下0.1咋算?
答
=(√4+√3+√2+√1)/√10=(2+1+1.732+1.414)/3.162=6.146/3.162≈1.944
根号下0.4加根号下0.3减根号下0.2加根号下0.1咋算?
=(√4+√3+√2+√1)/√10=(2+1+1.732+1.414)/3.162=6.146/3.162≈1.944