oob73zj92b的部落格

標題:

中一英文Maths題~急~20分大贈送

• RAM問題@1@
• 我想問以下的方程點做-(緊急)@1@
• 數學 (緊急求助)@1@

• RAM問題@1@
• 我想問以下的方程點做-(緊急)@1@
• 數學 (緊急求助)@1@

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發問:

1.Suppose Kaite has x $10-notes. She spends $33 to buy a meal. Find the amount that Kaite remains.(Leave your answer in terms of x.) 2.The sum of 3 consecutive odd numbers is 39. Find the three numbers.

最佳解答:

1. 10x - 33 2. 39/2 = 13 13-2=11 13+2=15 ∴Those 3 consecutive odd numbers are 11, 13, 15 2014-08-07 21:58:34 補充： 是的 是39/3 不是39/2 sorry!

其他解答:

1. $10 x X - $33 =$(10X - 33) 2. 39 / 3 = 13 13 + 2 = 15 13 - 2 = 11 =11 , 13 , 15|||||Nice check, Mr. Kwok! (????)|||||2. 39/2 = 13