phát biểu và viết dạng tổng quát hai tính chất chia hết cho 1 tổng

bạn nào trả lời đúng mình tích cho luôn 

CÁM ƠN 

she had a bike once, but she doesn't have any more.

-> She used to.....have a bike once, but she doesn't have any more........

9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

1+.......+1+2+3+4+5+1+......+1=55

nhe chuc ban hoc gioi

6 x 1 =6

6 x 2 =12

6 x 3 =18

6 x 4 =24

6 x 5 =30

6 x 6 =36

6 x 7 =42

6 x 8 =48

6 x 9 =54

6 x 10 =60

375.84-95.69+36.78=316.93

7.7+7.3x7.4=61.72

Nhớ k cho mình nhé.Good luck

rảnh ha

SAI RUIII

còn số quả là

3-1=2 quả

đáp số : 2 quả

tk mình mình tk lại

nếu giải trên violimpic thì kq là 20 nhé

vì đề bài họ bảo là cả lượt đi và về mà