先化简根号下2/3-(1/6×根号下24-3/2×根号下12),再求得它的近似数为多少?
问题描述:
先化简根号下2/3-(1/6×根号下24-3/2×根号下12),再求得它的近似数为多少?
(精确到0.01,根号下2≈1.414,根号下3=1.732)
答
根号下2/3-(1/6×根号下24-3/2×根号下12)
=1/3根号6-1/3根号6+3根号3
=3根号3
=3×1.732
=5.196