1/25x3/16+1/4霧8又1/3-3/8霧25=

快!急需!1快
2024-11-02 14:21:48
推荐回答(1个)
回答1:

1/25x3/16+1/4÷8又1/3-3/8×1/25
=1/25x3/16+3/4×1/25-3/8×1/25
=1/25x(3/16+3/4-3/8)
=1/25×9/16
=9/400