解方程 要求:1.2x%=13/402.3/4x-5x%=17.5
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 21:59:33
解方程 要求:1.2x%=13/402.3/4x-5x%=17.5
解方程 要求:
1.2x%=13/40
2.3/4x-5x%=17.5
解方程 要求:1.2x%=13/402.3/4x-5x%=17.5
1.2x%=13/40
2x/100=13/40
x/50=13/40
x=13/40÷1/50
x=16.25
2.3/4x-5x%=17.5
3/4x-5/100x=17.5
0.75x-0.05x=17.5
0.7x=17.5
x=17.5÷0.7
x=25
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