10000 − (10 + 910 * 85 : 65) = 10000 − (10 + 77350 : 65) = 10000 − (10 + 1190) = 10000 − 1200 = 8800
1) $\snippet{name: column_multiplication, x: 91, y: 85}$;
2) $\snippet{name: long_division, x: 77350, y: 65}$;
3) 10 + 1190 = 1200;
4) 10000 − 1200 = 8800.
 
12000 : (840 − 280 * 96 : 42) = 12000 : (840 − 26880 : 42) = 12000 : (840 − 640) = 12000 : 200 = 60
1) $\snippet{name: column_multiplication, x: 28, y: 96}$;
2) $\snippet{name: long_division, x: 26880, y: 42}$;
3) 840 − 640 = 200;
) 12000 : 200 = 60.
 
67068 : 324 = 207
$\snippet{name: long_division, x: 67068, y: 324}$
 
226720 : 436 = 520
$\snippet{name: long_division, x: 226720, y: 436}$