А)3/8×2 б)5/18×12 в )7/15×40 г)7/8×24 д)1/2×30 е)9/11×11 ж)2/3×1 з) 19/20×0

Найдем значение выражений:а) 3/8 * 2 = (3 * 2)/8 = 6/8 = 3/4;б) 5/18 * 12 = (5 * 12)/18 = 60/18 10/3 = 3 1/3;в) 7/15 * 40 = (7 * 40)/15 = 280/15 = 56/3 = 18 1/3;г) 7/8 * 24 = (7 * 24)/8 = 168/8 = 21;д) 1/2 * 30 = (1 * 30)/2 = 30/2 = 15;е) 9/11 * 11 = (9 * 11)/11 = 99/11 = 9;ж) 2/3 * 1 = 2/3;з) 19/20 * 0 = 0;