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2017年五年级寒假生活答案

作者:佚名 文章来源:会员整理

2017年五年级寒假生活答案

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  第一天:

我的设想:6时半起床,洗脸刷牙.7时半吃早饭,可以帮爸爸妈妈做早饭.8时看书,把寒假作业做完一天,进行复习.10时做家务,帮爸爸妈妈做一件力所能及的事情.11时吃午饭,可以帮爸爸妈妈摆餐具.13时看新闻,了解新的时件.16时运动,呼吸新鲜空气.18时吃晚饭,可以帮爸爸妈妈洗碗.19时游戏,了解望上情况.21时睡觉,早点睡可以长高哦!

数学:

1.寻找失去的数.

14.59+10.72-25.31=0 49.81-48.32+78.51=80

2.求未知量.

解:a=s÷h 解:h=2s÷a

=5.52÷1.2 =2×5.25÷ 2.5

=4.6(m) =10.5÷2.5

=4.2(dm)

3.找出等量关系,并列方程解答.

(1)820减去一个数的16倍等于45.5与8的积,求这个数.

解:设这个数是x.

820-16x=45.5×8

820-16x=364

16x=820-364

16x=456

x=28.5

(2)一个数减去6后,扩大7倍等于这个数的2倍,求这个数.

解:设这个数是x.

7(x-6)=2x

7x-42=2x

7x-2x=42

5x=42

x=8.4

4.写出下列各图案的数字.

1.3 2.2 3.1 4.4

英语:1.B

2.A

3.C

4.D

5.B

  第二天:

语文:

(1)连绵不段的山叫峦.

(2)山的突出的尖顶叫峰.

(3)顶上有路可通行的山叫岭.

(4)水很深叫渊.

(5)水流急叫湍.

(6)两山相夹之水叫涧.

民俗大观:

过春节时,要在门上贴对联.

要吃汤圆,一家人团团圆圆.

要把"福"字倒着贴在门上,图吉利.

数学:

1.下列各题错在哪里?请改正.

1.73×3.7+1.73×6.3+1.73 0.125×6.4

=1.73×(3.7+6.3)+1.73 =(0.125×8)×0.8

=1.73×10+1.73 =1×0.8

=17.3+1.73 =0.8

=19.03

2.化简.

4×3×2×b=24b 8m×3=24m 44b÷4=11b

4×25x=100x 6×4x+x-5=25x-5 7×3x+4×5y-15=21x+20y-15

3.求值:当k=19,m=4,n=5时,求k(3m+6n)的值.

解:当k=19,m=4,n=5时

k(3m+6n)=19×(3×4+6×5)

=19×(12+30)

=19×42

=798

4.不计算,在下面的□填入“>、<”或“=”。

4.7×2.01>4.7 0.28÷0.5>0.28

4.7×1=4.7 0.28÷3.5<0.28

4.7×0.01<4.7 0.28÷0.01>0.28

动脑筋:

解:设小长方形的宽为x,则长方形为2x.

2(3x+2x)=8 S长=(3×0.8)×(2×0.8)

5x×2=8 =2.4×1.6

10x=8 =3.84(dm2)

x=0.8

英语:

1.仿写句子:

This is my father.He is a boss.He is tall.He likes to swim.He lies in Shanghai.He can run fast.

2.列举短文中包含动作的单词:

feed,clean,live,climb,swing,eat.

3.列举Mr Brown与动物所做的事.

He feeds the animals every day.He cleans their cages every morning.

4.找出文中动物活动的场所.

cage,rope,zoo.

5.根据短文回答问题.

1)What does Mr Brown do every day?He feeds the anemals and cleans their cages every day.

2)Does the monkey have long arms?Yes ,it does.

3)What can the monkey do?It can climb to the top of the cage and swing on a rope.

4)where does it live?It lives in a zoo.

5)What does it like to eat?It likes to eat fruit and leaves.

6.根据短文判断,用T或F表示.

( T )1)My uncle works in a zoo.

( T )2)My uncle likes the baby monkey.

( T )3)The monkey doesn't like to eat sweets.

  第三天:

数学:

1.计算并凑整倒百分位(用四舍五入法).

8.02×0.04≈0.32 7.83×1.39≈10.88

8.02 7.83

×0.04 ×1.39

-------- --------

0.3208 7047

2349

783

--------

10.8837

11.8÷0.21≈56.19 88.2÷4.6≈49.13

56.194 49.134

------- --------

21∫1180 46∫1882

105 184

------- --------

130 420

126 414

-------- --------

40 60

21 46

-------- --------

190 140

189 120

-------- --------

100 200

184

2.递等式计算(能简则简).

6.4×0.29+6.4×8.7+6.4 2.98×1.25×(4-0.8)×0.25

=6.4×(0.29+8.7+1) =2.98×1.25×3.2×0.25

=6.4×10 =2.98×1.25×0.4×8×0.25

=64 =(1.25×8)×(0.25×0.4)×2.98

=10×0.1×2.98

=2.98

9.9×101-9.9 [0.68÷(3.2-3.03)+1.4÷(6-0.6)

=9.9×(101-1) =[0.68÷0.17+1.4]÷5.4

=9.9×100 =[4+1.4]÷5.4

=990 =5.4÷5.4

=1

3.列方程解应用题.

小丁丁买了1支圆珠笔和1支钢笔,钢笔的售价是圆珠笔的3倍,小丁丁共付了18元,圆珠笔和钢笔的售价各式多少元?

解:设圆珠笔是x元,则钢笔是3x元.

3x+x=18

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