68 432 : 94 = 728
728
------
94|68432
-658
------
263
-188
------
752
-752
------
0
20 703 : 67 = 309
812
x 907
-----
5684
+7308
-----
736484
470 * 302 = 141940
470
x 302
-----
940
+1410
-----
141940
564⋅70 − 564⋅60 = 564 * (70 - 60) = 564 * 10 = 5640
809⋅62 + 809⋅38 = 809 * (62 + 38) = 809 * 100 = 80900
Ответ: 68 432 : 94 = 728, 20 703 : 67 = 309, 812⋅907 = 736484, 470⋅302 = 141940, 564⋅70 − 564⋅60 = 5640, 809⋅62 + 809⋅38 = 80900