Răspuns :
a) (6+2)x5=8x5=40
(6+2)x5=6x5+2x5=30+10=40
b) (3+4)x2=7x2=14
(3+4)x2=3x2+4x2=6+8=14
c) (6+4)x3=10x3=30
(6+4)x3=6x3+4x3=18+12=30
(6+2)x5=6x5+2x5=30+10=40
b) (3+4)x2=7x2=14
(3+4)x2=3x2+4x2=6+8=14
c) (6+4)x3=10x3=30
(6+4)x3=6x3+4x3=18+12=30