Выполни действия:
80 * 6;
7 * 70;
6 * 40;
90 * 8;
50 * 5;
4 * 80;
30 * 20;
400 * 2;
20 * 40;
3 * 300.
80 * 6 = 8 * 6 * 10 = 48 * 10 = 480;
7 * 70 = 7 * 7 * 10 = 49 * 10 = 490;
6 * 40 = 6 * 4 * 10 = 24 * 10 = 240;
90 * 8 = 9 * 8 * 10 = 72 * 10 = 720;
50 * 5 = 5 * 5 * 10 = 25 * 10 = 250;
4 * 80 = 4 * 8 * 10 = 32 * 10 = 320;
30 * 20 = 3 * 2 * 10 * 10 = 6 * 100 = 600;
400 * 2 = 4 * 2 * 100 = 8 * 100 = 800;
20 * 40 = 2 * 4 * 10 * 10 = 8 * 100 = 800;
3 * 300 = 3 * 3 * 100 = 9 * 100 = 900.