$9 \overset{1}{*} 6 \overset{3}{+} 48 \overset{2}{:} 8 = 60$
$72 \overset{1}{:} 24 \overset{2}{*} 18 = 54$
$81 \overset{1}{:} 9 \overset{3}{-} 92 \overset{2}{:} 23 = 5$
$7 \overset{2}{*} (96 \overset{1}{-} 84) \overset{3}{:} 4 = 21$

Вычисления
$9 \overset{1}{*} 6 \overset{3}{+} 48 \overset{2}{:} 8 = 60$
1) 9 * 6 = 54
2) 48 : 8 = 6
3) 54 + 6 = 60
 
$72 \overset{1}{:} 24 \overset{2}{*} 18 = 54$
1) 72 : 24 = 3
2) 3 * 18 = 3 * (10 + 8) = 3 * 10 + 3 * 8 = 30 + 24 = 54
 
$81 \overset{1}{:} 9 \overset{3}{-} 92 \overset{2}{:} 23 = 5$
1) 81 : 9 = 9
2) 92 : 23 = 4
3) 9 − 4 = 5
 
$7 \overset{2}{*} (96 \overset{1}{-} 84) \overset{3}{:} 4 = 21$
1) 96 − 84 = 12
2) 7 * 12 = 7 * (10 + 2) = 7 * 10 + 7 * 2 = 70 + 14 = 84
3) 84 : 4 = (80 + 4) : 4 = 80 : 4 + 4 : 4 = 20 + 1 = 21