Вычисли устно.
6 * 100
10 * 8
12 * 10
100 * 10
100 * 7
60 * 2
9 * 100
50 * 3
4 * 20
5 * 10
16 * 10
10 * 23
6 * 100 = 600
10 * 8 = 80
12 * 10 = 120
100 * 10 = 1000
100 * 7 = 700
60 * 2 = 120
9 * 100 = 900
50 * 3 = 150
4 * 20 = 80
5 * 10 = 50
16 * 10 = 160
10 * 23 = 230
Вычисления:
6 * 100 = 600
10 * 8 = 80
12 * 10 = 120
100 * 10 = 1000
100 * 7 = 700
60 * 2 = 6 * 10 * 2 = 6 * 2 * 10 = 12 * 10 = 120
9 * 100 = 900
50 * 3 = 5 * 10 * 3 = 5 * 3 * 10 = 15 * 10 = 150
4 * 20 = 4 * 2 * 10 = 8 * 10 = 80
5 * 10 = 50
16 * 10 = 160
10 * 23 = 23 * 10 = 230
