45 : 15;
72 : 12;
54 : 18;
91 : 13 * 4;
60 : 15 * 9;
70 : 14 * 8;
(32 − 16) * 4;
(46 − 21) * 3;
(30 − 18) * 7;
15 − 8 * 0;
14 * 1 − 14;
0 : (13 − 6).
45 : 15 = 3;
72 : 12 = 6;
54 : 18 = 3;
91 : 13 * 4 = 7 * 4 = 28;
60 : 15 * 9 = 4 * 9 = 36;
70 : 14 * 8 = 5 * 8 = 40;
(32 − 16) * 4 = 16 * 4 = (10 + 6) * 4 = 10 * 4 + 6 * 4 = 40 + 24 = 64;
(46 − 21) * 3 = 25 * 3 = (20 + 5) * 3 = 20 * 3 + 5 * 3 = 60 + 15 = 75;
(30 − 18) * 7 = 12 * 7 = (10 + 2) * 7 = 10 * 7 + 2 * 7 = 70 + 14 = 84;
15 − 8 * 0 = 15 − 0 = 15;
14 * 1 − 14 = 14 − 14 = 0;
0 : (13 − 6) = 0 : 7 = 0.
Посмотреть калькулятор Вычисления в столбик