用简便方法计算。 1⼀2÷(1⼀3÷1⼀4)÷(1⼀4÷1⼀5)÷(1⼀5÷1⼀6)÷(1⼀6÷1

2024-11-25 06:07:41
推荐回答(1个)
回答1:

原式=1/2÷4/3÷5/4÷6/5÷7/6=1/2×3/4×4/5×5/6×6/7
=1/2×3×1/7
=3/14(分数竖着写会看的比较清楚)