0.8:5/13=(5-x):0.25 4/13×(5-x)=0.8×0.250.8:5/13=(5-x):0.254/13×(5-x)=0.8×0.254/13×5-3/14x=0.8×0.25用乘法分配率!算式结果,只要一次答对的悬赏就是你哒!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 17:50:13
![0.8:5/13=(5-x):0.25 4/13×(5-x)=0.8×0.250.8:5/13=(5-x):0.254/13×(5-x)=0.8×0.254/13×5-3/14x=0.8×0.25用乘法分配率!算式结果,只要一次答对的悬赏就是你哒!](/uploads/image/z/12579347-11-7.jpg?t=0.8%EF%BC%9A5%2F13%3D%EF%BC%885-x%EF%BC%89%EF%BC%9A0.25+4%2F13%C3%97%EF%BC%885-x%EF%BC%89%3D0.8%C3%970.250.8%EF%BC%9A5%2F13%3D%EF%BC%885-x%EF%BC%89%EF%BC%9A0.254%2F13%C3%97%EF%BC%885-x%EF%BC%89%3D0.8%C3%970.254%2F13%C3%975-3%2F14x%3D0.8%C3%970.25%E7%94%A8%E4%B9%98%E6%B3%95%E5%88%86%E9%85%8D%E7%8E%87%21%E7%AE%97%E5%BC%8F%E7%BB%93%E6%9E%9C%2C%E5%8F%AA%E8%A6%81%E4%B8%80%E6%AC%A1%E7%AD%94%E5%AF%B9%E7%9A%84%E6%82%AC%E8%B5%8F%E5%B0%B1%E6%98%AF%E4%BD%A0%E5%93%92%21)
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0.8:5/13=(5-x):0.25 4/13×(5-x)=0.8×0.250.8:5/13=(5-x):0.254/13×(5-x)=0.8×0.254/13×5-3/14x=0.8×0.25用乘法分配率!算式结果,只要一次答对的悬赏就是你哒!
0.8:5/13=(5-x):0.25 4/13×(5-x)=0.8×0.25
0.8:5/13=(5-x):0.25
4/13×(5-x)=0.8×0.25
4/13×5-3/14x=0.8×0.25
用乘法分配率!算式结果,只要一次答对的悬赏就是你哒!
0.8:5/13=(5-x):0.25 4/13×(5-x)=0.8×0.250.8:5/13=(5-x):0.254/13×(5-x)=0.8×0.254/13×5-3/14x=0.8×0.25用乘法分配率!算式结果,只要一次答对的悬赏就是你哒!
接下来:20/13-4/13X=1/5
4/13X=20/13-1/5
X=87/65÷4/13
X=87/20