45分之44乘46 简便计算 怎么算
问题描述:
45分之44乘46 简便计算 怎么算
答
44/45*46
=(46*44)/45
=(45+1)(45-1)/45
=(45²-1)/45
=45-1/45
=44又44/45
45分之44乘46 简便计算 怎么算
44/45*46
=(46*44)/45
=(45+1)(45-1)/45
=(45²-1)/45
=45-1/45
=44又44/45