(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11) 简便计算过程,/是分...(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)简便计算过程,/是分数线,÷是除号
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 22:46:44
![(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11) 简便计算过程,/是分...(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)简便计算过程,/是分数线,÷是除号](/uploads/image/z/211446-54-6.jpg?t=%EF%BC%881%E5%8F%885%EF%BC%8F99%EF%BC%8B3%E5%8F%885%EF%BC%8F33%EF%BC%8B9%E5%8F%885%EF%BC%8F11%EF%BC%89%C3%B7%EF%BC%881%E5%8F%881%EF%BC%8F99%EF%BC%8B3%E5%8F%881%EF%BC%8F33%EF%BC%8B9%E5%8F%881%EF%BC%8F11%EF%BC%89+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B%2C%EF%BC%8F%E6%98%AF%E5%88%86...%EF%BC%881%E5%8F%885%EF%BC%8F99%EF%BC%8B3%E5%8F%885%EF%BC%8F33%EF%BC%8B9%E5%8F%885%EF%BC%8F11%EF%BC%89%C3%B7%EF%BC%881%E5%8F%881%EF%BC%8F99%EF%BC%8B3%E5%8F%881%EF%BC%8F33%EF%BC%8B9%E5%8F%881%EF%BC%8F11%EF%BC%89%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B%2C%EF%BC%8F%E6%98%AF%E5%88%86%E6%95%B0%E7%BA%BF%2C%C3%B7%E6%98%AF%E9%99%A4%E5%8F%B7)
(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11) 简便计算过程,/是分...(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)简便计算过程,/是分数线,÷是除号
(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11) 简便计算过程,/是分...
(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)
简便计算过程,/是分数线,÷是除号
(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11) 简便计算过程,/是分...(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)简便计算过程,/是分数线,÷是除号
原式=[(1+3+9)+5(1+3+9)/99]÷[(1+3+9)+(1+3+9)/99] (约掉1+3+9)
=[1+5/99]÷[1+1/99]
=104/100
奥数的题一般规律性和技巧性比较强,你看这个答案如何?