2017年五年级寒假生活答案

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　　第一天:

我的(de)设想:6时(shi)半起床,洗脸刷牙.7时(shi)半吃(chi)(chi)早饭,可以(yi)(yi)帮(bang)爸(ba)(ba)爸(ba)(ba)妈(ma)妈(ma)做(zuo)早饭.8时(shi)看书,把寒(han)假作业做(zuo)完一天,进行复习.10时(shi)做(zuo)家务,帮(bang)爸(ba)(ba)爸(ba)(ba)妈(ma)妈(ma)做(zuo)一件力所能及的(de)事(shi)情.11时(shi)吃(chi)(chi)午饭,可以(yi)(yi)帮(bang)爸(ba)(ba)爸(ba)(ba)妈(ma)妈(ma)摆餐具.13时(shi)看新闻,了解新的(de)时(shi)件.16时(shi)运动,呼(hu)吸新鲜空气(qi).18时(shi)吃(chi)(chi)晚(wan)饭,可以(yi)(yi)帮(bang)爸(ba)(ba)爸(ba)(ba)妈(ma)妈(ma)洗碗.19时(shi)游戏,了解望上情况.21时(shi)睡觉(jue),早点睡可以(yi)(yi)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(chu)等量关系，并列(lie)方程解答(da).

(1)820减去一(yi)个数(shu)的16倍等于45.5与8的积,求(qiu)这个数(shu).

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(shu)减(jian)去6后(hou),扩(kuo)大7倍(bei)等于这个数(shu)的2倍(bei),求这个数(shu).

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(chu)下列各图案的(de)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(lian)绵(mian)不(bu)段的山叫峦.

(2)山(shan)的(de)突出的(de)尖顶叫峰.

(3)顶上有路可通行的(de)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(fu)"字倒着贴在门上，图吉利.

数学:

1.下列各题错(cuo)在(zai)哪里?请(qing)改(gai)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(qiu)值:当k=19,m=4,n=5时，求(qiu)k(3m+6n)的值.

解(jie)：当k=19,m=4,n=5时(shi)

k(3m+6n)=19×(3×4+6×5)

=19×(12+30)

=19×42

=798

4.不(bu)计算，在(zai)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(wei)x,则长方形为(wei)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(ju)短文中(zhong)包含动作的单词：

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

3.列举(ju)Mr Brown与动物所做(zuo)的事.

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

4.找(zhao)出文中动(dong)(dong)物(wu)活动(dong)(dong)的场所.

cage,rope,zoo.

5.根据短文回答(da)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(suan)并凑整倒百分位(wei)(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&divide;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(di)等式计(ji)算(能简则简).

6.4&times;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&times;1.25×3.2×0.25

=6.4×10 =2.98×1.25&times;0.4×8×0.25

=64 =(1.25×8)×(0.25&times;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&times;(101-1) =[0.68÷0.17+1.4]&divide;5.4

=9.9×100 =[4+1.4]÷5.4

=990 =5.4÷5.4

=1

3.列方程(cheng)解应用题(ti).

小丁(ding)丁(ding)买了1支圆珠(zhu)笔(bi)和1支钢笔(bi),钢笔(bi)的(de)售价(jia)(jia)是圆珠(zhu)笔(bi)的(de)3倍,小丁(ding)丁(ding)共付了18元(yuan),圆珠(zhu)笔(bi)和钢笔(bi)的(de)售价(jia)(jia)各(ge)式多(duo)少元(yuan)?

解:设圆珠笔(bi)是(shi)x元,则钢笔(bi)是(shi)3x元.

3x+x=18

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