a) a x a=4
2x2=4
a x a=9
3x3=9
b)mxn=18
9x2=18
6x3=18
ax2=bx3
3x2=2x3
6x2=4x3
c)axb=30-3
axb=27
9x3=27
15+6=bx3
21=bx3
21=7x3
ax3=70-46
ax3=24
8x3=24
Sper ca te am ajutat!
