there are 12 red pencils ,13 blue pencils and is yellow pencils in a box of colour pencils.how many red pencils are there in 20 boxes of colour pencils? answer......pencils
the largest 2-digit number is
100 999
10 888
write the greatest 4-digitnumber
that number is...
Kiên is years older that Minh .if the sum of Kien age and Minh `s age is 16 then Minh is ... years old.
there are 2 divided by 3 divided by 3