1⼀3÷(2⼀3-2⼀5×3⼀5)的简便算法

2024-12-03 22:10:28
推荐回答(1个)
回答1:

=1/3÷(2/3-6/25)
=1/3÷(50/75-18/75)
=1/3X75/32
=25/32