√115 x 9 x1/2
*√115不可用計算機計開方,只能用質因式分解,謝
f.2 maths!!急~~
2006-12-01 7:44 am
回答 (2)
2006-12-01 7:54 am
✔ 最佳答案
√115x √81x1/√4=√115x √81/√4
2006-12-01 8:26 am
√115x √81x1/√4
=√115x √81/√4
=√(115x 81/4)
=√2328.75
=48.25712383
=√115x √81/√4
=√(115x 81/4)
=√2328.75
=48.25712383
收錄日期: 2021-04-12 22:31:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061130000051KK04962