15x11

Question

15x11

anonymous · Answer

165

saifoo.khan · Answer

Right^

anonymous · Answer

multiply by eleven by doing this 
copy the number down twice, second one one space to the left of the first.  then add

anonymous · Answer

1  5
         1  5
__________
         1  6  5

anonymous · Answer

$$234\times 11$$
      2  3  4
 2   3  4
_________
 2   5  7  4

amistre64 · Answer

for small one i split it and add into the middle :)

1 (1+5) 5
 1   6  5

  165

myininaya · Answer

15*11=15*1+15*10

myininaya · Answer

abc is the digits of one number
*xyz is the digits of another
------
 abc(z)+abc(y0)+abc(x00)


where y0 is the number y*10+0*1
and 
x00 is the number x*100+0*10+0*1

amistre64 · Answer

thats the way the babylonians did it :)

myininaya · Answer

i guess thats why i'm a baby...lonian

amistre64 · Answer

i was thinking more like babel-on-ian ;)

amistre64 · Answer

go ahead, suspend me, i know you want to lol

myininaya · Answer

no i want to be a baby...lonian

myininaya · Answer

lol amistre

myininaya · Answer

do you think everyone can read what i wrote and figure it out?
i don't think they can :(

anonymous · Answer

no i am lost.  besides, didn't they use base 60?

amistre64 · Answer

i readed it and understooded it :)

anonymous · Answer

even from such a simple problem you guys don't cease to amaze me..o.O

anonymous · Answer

multiplication is hard.

anonymous · Answer

especially in base 60 using cuniform

myininaya · Answer

lol did i do good christal?

anonymous · Answer

hahaha yes