обчыслыты 2 способамы 18/(2*3) 80/(4*2) 900/(3*3)

Question

обчыслыты 2 способамы 18/(2*3) 80/(4*2) 900/(3*3)

Answer 1

18/(2*3)=18/6=3                  80/(4*2)=80/8=10                900/(3*3)=900/9=100

18/(2*3)=18/2/3=9/3=3        80/(4*2)=80/4/2=20/2=10      900/(3*3)=900/3/3=300/3=100