(a*b+2c*d)/(a+2c)=e,求c等于多少?(已知abde)
(a*b+2c*d)/(a+2c)=e,求c等于多少?求过程!(已知abde)如:(44152*0.85+2c*0.5)/(44152+2c)=0.81...
(a*b+2c*d)/(a+2c)=e,求c等于多少?求过程!(已知abde)
如:(44152*0.85+2c*0.5)/(44152+2c)=0.81 展开
如:(44152*0.85+2c*0.5)/(44152+2c)=0.81 展开
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