一個數的最大約數是78，這個數是______，把它分解質因數是______.

一個數的最大約數是78，這個數是______，把它分解質因數是______.

因為一個數的最大因數和最小最小倍數都是它本身，所以這個數是7878=2×3×13故答案為：78，78=2×3×13.
將以下句子改為複數形式
1.This is a black and grey shirt.
These are black and grey shirts
These are black and grey shirts.
少年，要認真聽課啊！
These are black and grey shirts.
一個數的最大約數和最小倍數都是36，把這個數分解質因數是______.
36=2×2×3×3；故答案為：36=2×2×3×3.
將下列句子改為複數形式
He is a policeman.
He has a good friend.
what is that？
This is a tomato.
1 They are policemen.
2 They have good friends.
3 What are those？（注：that的複數是：those）
4 These are tomatoes.
祝你假期愉快！加油！不明白再問！如果幫到你，請採納，謝謝！
為你解答。
1、He is a policeman.
They are some policemen.
他們是些警詧。
2、He has a good friend.
They have some good friends.
他們有一些好友。
3、What is that？
…展開
為你解答。
1、He is a policeman.
They are some policemen.
他們是些警詧。
2、He has a good friend.
They have some good friends.
他們有一些好友。
3、What is that？
What are those？
那些是什麼？
4、This is a tomato.
These are some tomatoes.
這些是蕃茄。收起
They are policemen.
They have good friends.
What are those？
These are tomatoes.
1 They are policemen.
2 They have good friends.
3 What are those？
4 These are tomatoes.
一個數的最大約數是104，最小倍數室（），把這個數分解質因數是（）
一個數的最大約數是104，最小倍數是（104），把這個數分解質因數是（104=2*2*2*13）
一個數的最大約數是它本身，最小倍數也是它本身！所以這個數就104
寫出這個句子的複數形式
Is she your friend？
（PS:可以這樣寫嗎：Are they your friends？
可以，就是這麼說.
對
18的因數有______，從中選出4個數組成一個比例是______.
18的因數有：1，2，3，6，9，18；1:2=3:6；或3:9=6:18等；（答案不唯一）.故答案為：1，2，3，6，9，18；1:2=3:6.
寫出下列句子的複數形式
this is my book.
is that your sister？
that is my baseball.
is this your friend？
what's this in english？
These are our books.
Are those your sisters？
Those are our baseballs.
Are those your friends？
What are these in English？
18的因數有______，從中選出4個數組成一個比例是______.
18的因數有：1，2，3，6，9，18；1:2=3:6；或3:9=6:18等；（答案不唯一）.故答案為：1，2，3，6，9，18；1:2=3:6.
寫出下列句子中的複數形式
1.This is my friend.
_______________
2.That is his parent.
_________________
3.Is she your sister？
________________.
4.Is this a photo？
_________________.
5.No，she isn't.
_______________.
1.These are my friends.
2.Those are his parents.
3.Are they your sisters？
4.Are these photos？
5.No，they aren‘t.
1.They are my friends.
2.Those are their parents.
3.Are they your sisters.
4.Are these any photos.
5.No，they aren’t.
1.These are our（my）friends. 2.Those are his parents.3.Are they your sisters？4.Are these photos？
5.No，they aren't.
1.This are my friends.
2.That are his parents.
3.Is they your sisters？
4.Are this some photos？
5.No，they aren't。