(2-2/3)×2/9÷4
问题描述:
(2-2/3)×2/9÷4
答
=4/3×2/9×1/4
=8/27×1/4
=2/27
答
(2-2/3)×2/9÷4
=4/3×2/9×1/4
=2/27