1/- If : 1,01 * ab  = a5,7b then a = ?

1/- If 1,1 * mn  = n1,n then m = ?

1,01 nhan ab bang a5,7b

If 1,01xab=a5,7b then a =

if ab *1,01 =a5,6b then a+b

Nếu 1,1 x mn = n5.8 thì m = ? 
Nếu mn x 1,1 = m9,n thì m + n = ?
Nếu mn x 2,02 = 9m,n2 thì m + n = ? 
Nếu 1,01 x ab = a5,7b thì a = ? 
CÁC BẠN GIÚP MÌNH GIẢI NHÉ ! MÌNH KẸT CỨNG RỒI ! 

true or false

1, there is only one midpoint for any given line segment

2, if AB+BC=AD then B lies between A and D

3, if AB+BC=AC then B is the midpoint of AC

4, If C is the midpoint of AB then AC=BC

5, if B belongs to Ox, A belongs to Oy, Ox and Oy are opposite then O is the midpoint of AB

true or false

1, there is only one midpoint for any given line segment

2, if AB+BC=AD then B lies between A and D

3, if AB+BC=AC then B is the midpoint of AC

4, If C is the midpoint of AB then AC=BC

5, if B belongs to Ox, A belongs to Oy, Ox and Oy are opposite then O is the midpoint of AB

If a x ab x b = bbb then ab = ...

if ab*1.01=a5.6b then a+b=