a.Find the LCM of 39,26,22.
b.Find the HCF of 270,405.
更新1:
Please answer in english. 2010-10-29 16:19:17 補充 Please write the step and round your answer in 2d.p.(如果個answer的小數點後的數字是一樣) 如果如果個answer的小數點後的數字是不一樣,直接寫出來 2010-10-29 16:31:26 補充 請列出算式和答案
更新2:
Please answer in english