They used the abacus
beacus the question of the mats is not dificult
you solve it
That depends what you want to solve for.
SOLVE : 21t + t=
they solved their promblems by thinking about it and testing.
nothin
Yes, it's fair
MAITANCE PROMBLEMS
yes many
debts taxes
,nvvncmfj
it is the best phone out it is great i have it and i have no promblems
yes
72 divided by 2
164-32
You must make the question clearer. What north and when?