Răspuns:
a) 4+9=13
b)2+4=6
c)2x9=18
d)1+2+4=7
e)9x2+1=19
f)10-8=2
g)2-1=1
h)3x36=108
i)1+2x81=1+162=163
j)2^2+3^2=4+9=13
k)2^2×3^2+5^2=4x9+25=36+25=61
l)81x2003-6561=162243-6561=155682
sper ca toate sa fie corecte!
