2017年五年级寒假生活答案
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第一天:
我(wo)的设想(xiang):6时(shi)半起床,洗脸刷牙.7时(shi)半吃早饭,可(ke)以帮爸(ba)爸(ba)妈(ma)(ma)妈(ma)(ma)做(zuo)早饭.8时(shi)看(kan)书,把寒假作(zuo)业做(zuo)完一天,进行(xing)复习(xi).10时(shi)做(zuo)家务,帮爸(ba)爸(ba)妈(ma)(ma)妈(ma)(ma)做(zuo)一件力所能及的事情.11时(shi)吃午饭,可(ke)以帮爸(ba)爸(ba)妈(ma)(ma)妈(ma)(ma)摆餐具.13时(shi)看(kan)新(xin)闻,了解新(xin)的时(shi)件.16时(shi)运动,呼吸(xi)新(xin)鲜(xian)空气.18时(shi)吃晚(wan)饭,可(ke)以帮爸(ba)爸(ba)妈(ma)(ma)妈(ma)(ma)洗碗.19时(shi)游戏,了解望上(shang)情况.21时(shi)睡觉,早点睡可(ke)以长(zhang)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(lie)方程解答(da).
(1)820减去一个数(shu)的(de)16倍等于45.5与8的(de)积(ji),求这个数(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)一个数减(jian)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(xie)出下(xia)列(lie)各图(tu)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)连绵(mian)不段的山叫峦.
(2)山的(de)突出的(de)尖顶叫峰.
(3)顶(ding)上有(you)路(lu)可(ke)通(tong)行的山叫岭(ling).
(4)水很深叫渊.
(5)水流急叫湍.
(6)两(liang)山相夹(jia)之(zhi)水叫(jiao)涧(jian).
民俗大观：
过春(chun)节时，要在(zai)门上贴(tie)对联.
要吃汤(tang)圆，一家人团团圆圆.
要把"福"字倒着贴在门(men)上(shang)，图吉利.
数学:
1.下列(lie)各题(ti)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(zhi):当k=19,m=4,n=5时，求k(3m+6n)的值(zhi).
解(jie)：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(de)□填(tian)入“>、<”或(huo)“=”。
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(fang)形的宽为(wei)x,则长方(fang)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)短文中包含动作的(de)单词(ci)：
feed,clean,live,climb,swing,eat.
3.列举(ju)Mr Brown与动物所(suo)做的事.
He feeds the animals every day.He cleans their cages every morning.
4.找出(chu)文中(zhong)动物活动的(de)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(pan)断，用T或(huo)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(bing)凑整(zheng)倒百(bai)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(ji)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(lie)方程解(jie)应用题.
小(xiao)丁(ding)丁(ding)买了1支圆珠(zhu)笔(bi)(bi)和(he)1支钢笔(bi)(bi),钢笔(bi)(bi)的售(shou)价是圆珠(zhu)笔(bi)(bi)的3倍,小(xiao)丁(ding)丁(ding)共(gong)付了18元,圆珠(zhu)笔(bi)(bi)和(he)钢笔(bi)(bi)的售(shou)价各(ge)式(shi)多少(shao)元?
解(jie):设圆珠笔(bi)是(shi)x元,则钢(gang)笔(bi)是(shi)3x元.
3x+x=18
