(5\9×4\7+4\7)÷4\7简算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/15 03:01:13
(5\9×4\7+4\7)÷4\7简算
![(5\9×4\7+4\7)÷4\7简算](/uploads/image/z/8733076-52-6.jpg?t=%285%5C9%C3%974%5C7%2B4%5C7%29%C3%B74%5C7%E7%AE%80%E7%AE%97)
(5\9×4\7+4\7)÷4\7
=(5/9+1)x4/7÷4/7
=14/9x1
=14/9
=1又5/9
如果本题有什么不明白可以追问,
再问: 九分之五为什么要加一呀?
再答: 5\9×4\7+4\7 =5\9×4\7+4\7x1 =(5/9+1)x4/7
=(5/9+1)x4/7÷4/7
=14/9x1
=14/9
=1又5/9
如果本题有什么不明白可以追问,
再问: 九分之五为什么要加一呀?
再答: 5\9×4\7+4\7 =5\9×4\7+4\7x1 =(5/9+1)x4/7