解方程:140*0.43+(X-140)*0.57=0.5*X140*0.43+(X-140)*0.57=0.5*X

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/04 09:59:37
解方程:140*0.43+(X-140)*0.57=0.5*X140*0.43+(X-140)*0.57=0.5*X解方程:140*0.43+(X-140)*0.57=0.5*X140*0.43+(X

解方程:140*0.43+(X-140)*0.57=0.5*X140*0.43+(X-140)*0.57=0.5*X
解方程:140*0.43+(X-140)*0.57=0.5*X
140*0.43+(X-140)*0.57=0.5*X

解方程:140*0.43+(X-140)*0.57=0.5*X140*0.43+(X-140)*0.57=0.5*X
140*0.43+(X-140)*0.57=0.5*X
60.2+0.57x-79.8=0.5x
0.07x=19.6
x=280