解方程 x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20 = = = == = = =能说下怎么算出来的吗?我不怎么懂百分数的解方程,麻烦你们了
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/26 02:52:38
![解方程 x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20 = = = == = = =能说下怎么算出来的吗?我不怎么懂百分数的解方程,麻烦你们了](/uploads/image/z/324954-18-4.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B+x%2B25%25x%3D8+%EF%BC%881-40%25%EF%BC%89x%3D6.3+4%E5%88%86%E4%B9%8B1-5%25x%3D4.8+80%25x%2B4.8%3D20x%2B25%25x%3D8+%EF%BC%881-40%25%EF%BC%89x%3D6.3+4%E5%88%86%E4%B9%8B1-5%25x%3D4.8+80%25x%2B4.8%3D20+%3D+%3D+%3D+%3D%3D+%3D+%3D+%3D%E8%83%BD%E8%AF%B4%E4%B8%8B%E6%80%8E%E4%B9%88%E7%AE%97%E5%87%BA%E6%9D%A5%E7%9A%84%E5%90%97%3F%E6%88%91%E4%B8%8D%E6%80%8E%E4%B9%88%E6%87%82%E7%99%BE%E5%88%86%E6%95%B0%E7%9A%84%E8%A7%A3%E6%96%B9%E7%A8%8B%2C%E9%BA%BB%E7%83%A6%E4%BD%A0%E4%BB%AC%E4%BA%86)
解方程 x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20 = = = == = = =能说下怎么算出来的吗?我不怎么懂百分数的解方程,麻烦你们了
解方程 x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20
x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20
= = = =
= = = =
能说下怎么算出来的吗?我不怎么懂百分数的解方程,麻烦你们了
解方程 x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20x+25%x=8 (1-40%)x=6.3 4分之1-5%x=4.8 80%x+4.8=20 = = = == = = =能说下怎么算出来的吗?我不怎么懂百分数的解方程,麻烦你们了
x+25%x=8
1.25x=8
x=8/1.25
x=6.4
(1-40%)x=6.3
0.6x=6.3
x=6.3/0.6
x=63/6
x=21/2
4分之1-5%x=4.8
0.25-0.05x=4.8
-0.05x=4.8-0.25
-0.05 x=4.55
x=-4.55/0.05
x=-91
80%x+4.8=20
0.8x+4.8=20
0.8x=20-4.8
0.8x=15.2
x=15.2/0.8
x=19