標題:
想問3條中3數學題
發問:
1.If ths sum of three consecutive numbers is less than 49,what is the largest possible value of the smallest number? (Let X be the smallest number)2.Ben has 20 coins which consist only of $2-coins and $5-coins.If the total amount of these coins is not less than $85,how many $2-coins can he have at most?3.The... 顯示更多 1.If ths sum of three consecutive numbers is less than 49,what is the largest possible value of the smallest number? (Let X be the smallest number) 2.Ben has 20 coins which consist only of $2-coins and $5-coins.If the total amount of these coins is not less than $85,how many $2-coins can he have at most? 3.The length of a rectangle is equal to 3 times the width of the rectangle minus 8 cm.If the perimeter of the rectangle is not less than 24 cm,find the minimum possible area of the rectangle.
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最佳解答:
1. If the sum of threeconsecutive numbers is less than 49,what is the largest possible value of the smallestnumber? The three numbers are integers. Let x be the smallest number. Then, the other two numbers are (x + 1) and (x + 2). x + (x + 1) + (x + 2)
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