问一道英文的数学题~大家帮帮偶挖
偶有个同学跑去加拿大上学了,然后他发了这题目给我……==fortymetresoffencingareavailabletoenclosearectangularpen....
偶有个同学跑去加拿大上学了,然后他发了这题目给我…… = =
forty metres of fencing are available to enclose a rectangular pen. when the length of the pen is X metres ,the area of the pen, is square metres ,is expressed as 201-X'2 what is the area of the pen for each value of X?
帮忙翻译下什么意思
补充:
X‘2的意思是X的平方 展开
forty metres of fencing are available to enclose a rectangular pen. when the length of the pen is X metres ,the area of the pen, is square metres ,is expressed as 201-X'2 what is the area of the pen for each value of X?
帮忙翻译下什么意思
补充:
X‘2的意思是X的平方 展开
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