5.задача.плиз плиз.
7+6 (6=3+3) = 10+3=13 27+6 (6=3+3) = 30+3=33 77+6 (6=3+3) = 80+3=83 8+4 (4=2+2) = 10+2=12 48+4 (4=2+2) = 50+2=52 88+4 (4=2+2) = 90+2=92