(82/9+15/8-41/7)÷(82/9+23/8-48/7)简便算法
问题描述:
(82/9+15/8-41/7)÷(82/9+23/8-48/7)简便算法
答
(82/9+15/8-41/7)÷(82/9+23/8-48/7)
=(82/9+15/8-41/7)÷(82/9+15/8+1-(41/7+1))
=(82/9+15/8-41/7)÷(82/9+15/8-41/7)
=1