a/b=c/d=e/f=3/5,则a+c/b+d=___,a+2c-3e/b+2d-3f=____
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 12:42:29
a/b=c/d=e/f=3/5,则a+c/b+d=___,a+2c-3e/b+2d-3f=____a/b=c/d=e/f=3/5,则a+c/b+d=___,a+2c-3e/b+2d-3f=____a/
a/b=c/d=e/f=3/5,则a+c/b+d=___,a+2c-3e/b+2d-3f=____
a/b=c/d=e/f=3/5,则a+c/b+d=___,a+2c-3e/b+2d-3f=____
a/b=c/d=e/f=3/5,则a+c/b+d=___,a+2c-3e/b+2d-3f=____
由已知得:a=(3/5)b,c=(3/5)d,e=(3/5)f
带入得:
(a+c)/(b+d)=3/5(b+d)/(b+d)=3/5
(a+2c-3e)/(b+2d-3f)=3/5(b+2d-3f)/(b+2d-3f)=3/5