Răspuns :
Răspuns:
5x(4+3)=5x7=35
5x(4+3)=5x4+5x3= 20+15=35
6x(5+4)=6x9=54
6x(5+4)=6x4+6x5=24+30=54
5x7+5x3=35+15=50
3x6+6x7=18+42= 60
Răspuns:
a)5×(4+3)=7×5=35
5×(4+3)=5×4+5×3=20+15=35
b)6×(5+4)=9×6=54
6×(5+4)=6×5+6×4=30+24=54
c)5×6+5×3=30+15=45
5×(6+3)=9×5=45
d)3×6+6×7=18+42=60
6×(3+7)=10×6=60