雞兔同籠,上有45個頭,下有126只脚,問:雞,兔各多少只?

雞兔同籠,上有45個頭,下有126只脚,問:雞,兔各多少只?


假設全是兔,則雞有:(45×4-126)÷(4-2),=54÷2,=27(只),則兔有:45-27=18(只),答:雞有27只,兔有18只.



圈出與畫線單詞意思相近的詞.
1.The country is a quiet and [calm] place.(still friendly exciting)
2.The city is a [noisy]place.Youhear car horns honking.(loud quiet pretty)
3.Rhere are many [busy] people all around you .(friendly actibe happy)


1 friendly2 loud3 actibe



暑假作業語文與英語四年級下册64頁的2題


Aa Hh Kk Jj
Ee Bb Cc Dd Gg Pp Tt Vv
Ii Yy
Oo
Uu Qq Ww
Ff Ll Mm Nn Ss Xx Zz
Rr我會以後最好自己做



My name is().I'm a().I'm a().()I like().My best friend is().He/She likes()very much.


MY NAME IS XIAOHONG .I'M A STUDENT.I LIKE PLAYING FOOTBALL



英語翻譯
Bob's mom is mad.
His room is mess!
She says,“Clean your room!”
Bob puts his toys under his bed.
Bob puts his dirty clothes under his bed.
Bob puts his books under his bed.
He says,“My room is clean now.”


鮑勃的媽媽要瘋了,
鮑勃的房間一片混亂!
他的媽媽說:“把你的房間整理乾淨!”
鮑勃把他的玩具塞到他的床底下
鮑勃把他的髒衣服塞到他的床底下
鮑勃把他的書本塞到他的床底下
他說:“我的房間現在乾淨了.”



十萬火急!


p70一·352164(橫)二·spring winter71To:my pen palSUBJECT:Hi,I'm(名字,寫拼音)(名字,寫拼音)(home)(13)(Friday)(English)(P.E.)(art)(Friday)(apple)(sweet)(miss cai)(English)(tall)(pretty)(She is…



如一條裙子50元
How much is the srirt?
It's 50 yuan
1.一隻麵包2元
()

2.一雙鞋子28元
How much are the sandals?
(They're)
3.一條褲子28元



How much is the bread?
It's 2 yuan
They're 28 yuan
How much are the trouses?
They're 28 yuan



暑假作業英語四年級
1、根據提示變換所給單詞的一個字母,使它變成另一個單詞.
(1)call→()(一種玩具)


ball球



1.翻譯短文,
I do not 't have a mouth,but I can biowthings.Ito`t have legs,but I can soon.L very loudly,and I was verymoved.Butwhen I stood still the same,I amnothing.Whoam I
key:


我沒有嘴卻可以吹東西.我沒有脚卻可以很快的行走.有時我很吵鬧而且移動的很快.但是當我靜下來不動的時候,我什麼也不是.我是誰?
答案是:Wind(風)



You haveit.Youreadit.There're some pictures init.Whatis it?(打一學習用品)A mouse has a largepocket.Whatis it?(打一種動物)It has a head,but noneck.Ithas a body,but nowarmth.Nofeet,but can travel.(打一動物)


book
Kangaroo
bus