9分之4÷(12分之11-4分之3)+3分之1简便计算

2025-01-25 02:43:43
推荐回答(1个)
回答1:

4/9÷(11/12-3/4)+1/3
=4/9÷(11/12-9/12)+1/3
=4/9÷1/6+1/3
=4/9x6+1/3
=8/3+1/3
=3