Answers

2014-10-21T14:15:23+08:00
To divide:

Example,
     100 divided by 50
How many 50s are there in 100?
List: 1x50=50 2x50=100 or 50,100,150...and so on.
          n=100. 
Check:
50+50=100.

To times or multiply,

Example,
     4x25
25+25+25+25=100
          n=100
        or
   4
x25
100

5x4=20
write 0 and then keri 2
4x2=8+(keri) 2 =10

Therefore, the answer of 25x4 is 100.


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