(22.4-12.8)/0.64/0.
问题描述:
(22.4-12.8)/0.64/0.
答
=9.6÷(0.64×0.5)
=9.6÷0.32
=30
(22.4-12.8)/0.64/0.
=9.6÷(0.64×0.5)
=9.6÷0.32
=30