寒假口算！【小猿口算练习题（乘除法等)】二年级数学，打印给孩子练习

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柯牵丁3690小学二年级数学题 动物园有27只猴子 ,大猴比小猴多7只,问小猴多少只..公式怎么列出来的 -
唐贫虽13888579460 ______ 解法一: (27-7)÷2=10 小猴有10只.大猴有17只.10+7=17(只) 解法二: 解:设小猴子有X只,则大猴子有X+7只 X+X+7=27 2X=27-7 X=10 X+7=17(只) 答:小猴子有10只,则大猴子有17只.

柯牵丁3690小学三年级数学,动物园里小猴的只数是大猴的3倍,小猴比大候多24只.动物园里小猴和大候各有多少只. -
唐贫虽13888579460 ______ 解:设动物园里大猴有X只,则小猴有3X只. 3X - X = 24 2X = 24 X = 12 所以 3X = 12 * 3 = 36 答:动物园里小猴有36只,大猴有12只.

柯牵丁3690一道三年级数学题7只猴子一共吃了13个桃子,每只猴子吃3个,每只小猴吃1个,算一算大猴有多少只?请用算术解,并说出你的解题思路. -
唐贫虽13888579460 ______[答案] 如果都是大猴子会吃多少桃子?7x3=21为什么比13个桃子多了?因为小猴子只吃1个,每只小猴子比大猴子少吃3-1=2个,所以21-13=8就是小猴子少吃的数量,8/2=4个小猴子7-4=3个大猴子 或者如果都是小猴子会吃多少桃子?7x1=...

柯牵丁3690有25只猴子,一只大猴吃3个桃子,一只小猴两只吃1个,一共吃了60只桃子.大猴和小猴各多少只? -
唐贫虽13888579460 ______[答案] 设大猴子x 则小猴子25-x 3x+1/2(25-x)=60 3x+12.5-0.5x=60 3x-0.5x=60-12.5 2.5x=47.5 x=19 答:大猴子19只 小猴子6只

柯牵丁3690有四个桃,小猴拿了一个,又拿走两个,如何写算式 -
唐贫虽13888579460 ______ 4-1-2=1或者4-(1+2)=1

柯牵丁3690猴子妈妈摘了若干个桃子.每只小猴10个桃,2只小猴没分到.每只小猴分8个,刚好全部都分完.小猴有几只?猴子妈妈摘回几个桃?要算式 -
唐贫虽13888579460 ______ 设小猴数为X . 10(X-2)=8X 10X-20 =8X 10X-8X = 20 X= 10 所以 小猴数为 10 桃子数为8X ,也就是 80 .

柯牵丁3690小猴前面有7个人后面有5个人 一共有几个人 -
唐贫虽13888579460 ______ 话说,小猴是不是人,如果小猴是只猴子不是人,那就是7+5=12,如果小猴也是个人,那就是7+5+1=13

柯牵丁3690动物园里大猴、小猴共有50只,己知小猴比大猴多10只.大猴、小猴各有几只? -
唐贫虽13888579460 ______[答案] 大猴:(50-10)÷2=20(只) 小猴:20+10=30(只)

柯牵丁3690算一算有几只大猴,几只小猴?
唐贫虽13888579460 ______ 2个大猴子,3个小猴子.

柯牵丁3690小猴子算术(作文 ) -
唐贫虽13888579460 ______ 小猴算算术作文 今年小猴拜师学艺,学会了一些数学乘法知识.他想:“这一下朱毛'打'不过我了吧!我一定要报仇雪恨.”于是他向学校走去……终于朱毛出来了.只见小猴双手叉着腰,气势汹汹地说:“朱毛,快点和我比一比.”朱毛...