3/5+1 1/6=3/5+7/6=18/30+35/30=53/30=1 23/30
871/65= 13 целых и <span>2 / 5</span>
График дай пожалуйста ................................................................................................................................................
1) 4/9 • 1/4 = 1/9
2) 4/9 • 4/9 = 16/81
3) 4/9 • 4 1/2 = 4/9 • 9/2 = 4/2 = 2