median
don steward
mathematics teaching 10 ~ 16

Sunday 19 December 2010

multiples of 36

using 5, 6 and 7 as three digits of a four digit multiple of 36,

find the largest and also the smallest (4-digit) number

[you should find that the difference between them is 4680]


can you also find a multiple of 36 with three 8s in it?




[ this problem was posed by Tony Gardiner ]

No comments: