Вычислите: 23/23 (дроби), 7/7, 7*1/7, 921* 1/921
23/23 = 1, 7/7 = 1, 7 * 1/7 = 7/7 = 1, 921 * 1/921 = 921/921 = 1
23/23=1 7/7=1 7*1/7=7/7=1 921*1/921=921/921=1