Question 572284
45 ÷ 9 = 5 ___ 8 x 5 = 40 , so 45 ÷ 9 = 40 ÷ 8


15 ÷ 5 = 3 ___ 12 ÷ 3 = 4 , 12 ÷ 4 = 15 ÷ 5