125÷﹙50÷6﹚怎样简便计算?

问题描述:

125÷﹙50÷6﹚怎样简便计算?

125÷﹙50÷6﹚ = 125 x 6 ÷ 50 = 125 x 2 x 3 ÷ 50 = 250 x 3 ÷ 50 = (250 ÷ 50) x 3 = 5 x 3 = 15