2道英语题(加分)

2024-11-15 15:58:23
推荐回答(5个)
回答1:

题是自己翻的 解题过程绝对正确 嘿嘿

1.在爷爷的记账本中能找到这些:72只火鸡 $_67.9_
明显地显示出这些禽类的总价的第一个和最后一个数字,因为褪去了颜色而很难辨认,被空格取代。问:这两个数字分别是多少?火鸡的价格是多少?
2.一只蚂蚁3个小时爬了90米。蚂蚁平均速度是多少(单位:分米每分钟)?

解答:
1.由于火鸡是按只算价钱卖的,所以_67.9_这个数一定能被72整除。因为72=8*9=4*36,所以_67.9_也一定能被4、8、9整除。
根据能被4、8、9整除的数字的特征,我们可以知道:
后一个_一定是偶数
9_能被4整除
79_能被8整除
_+6+7+9+_能被9整除

因为9_能被4整除 所以后一个_为2或6
因为79_能被8整除 所以后一个_为2
因为_+6+7+9+_能被9整除 所以_+6+7+9+_=_6+7+9+2=_+24能被9整除
又因为_必定为小于等于9的自然数 所以_为3
所以这个数为367.92
每只火鸡的价格为:367.92/72=5.11(美元)
答:这两个数字分别是3和2,火鸡的价格是5.11美元。
P.S.我觉得第一题用方程解不了><

2.解:90米=900分米,3小时=180分钟
900/180=5(分米/分钟)
答:蚂蚁平均速度是5分米/分钟。

回答2:

1.从祖父的账单中发现:72只火鸡=$ _67.9_ ,第一个数字和最后一个数字很显然代表了这些活鸡的总价值,但因为账单退色已经难以分辨,只有空着了。那两个模糊不清的数字到底是什么呢?火鸡的单价是多少呢?
2.一只蚂蚁爬90英尺用了3个小时,这个蚂蚁的平均速度是多少英寸每分钟呢?

回答3:

1.其中的祖父页的法案,结果发现: 72只火鸡元- 679 - .the第一个和最后一个数字的多少,这显然代表了总价这些家禽代替这里的空白,因为他们已经淡忘了,并正在辨认。什么是两件褪了色的数字,什么是价格的土耳其?
2.蚂蚁涵盖的距离为90米,三h ,平均时速蚂蚁在decimeters每分钟是吗?

回答4:

翻译:1.其中祖父¯ s页的法案,结果发现: 72只火鸡元- 679 - .the第一个和最后一个数字的多少,这显然代表了总价这些家禽代替这里的空白,因为他们已经淡忘了,并正illegible.what是两件褪了色的数字,什么是价格的
土耳其?2.蚂蚁涵盖的距离为90米,三h ,平均时速蚂蚁在decimeters每分钟是吗?(不会解)

回答5:

NO.2 一只蚂蚁爬行90米要用3个小时,问蚂蚁每分钟爬多少分米.
解 90*10=900分米 900/3*60=5分米
因此 蚂蚁每分钟爬5分米
第一题好抽象啊,是数学题么....难道和字母啊什么的有关???????

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