(J10+M10)/(J5+L5+M10)=X求 M10=

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(J10+M10)/(J5+L5+M10)=X求M10=(J10+M10)/(J5+L5+M10)=X求M10=(J10+M10)/(J5+L5+M10)=X求M10=(J10+M10)/(J5+L5

(J10+M10)/(J5+L5+M10)=X求 M10=
(J10+M10)/(J5+L5+M10)=X
求 M10=

(J10+M10)/(J5+L5+M10)=X求 M10=
(J10+M10)/(J5+L5+M10)=X
J10+M10=XJ5+XL5+XM10
(X-1)M10=J10-XJ5-XL5
M10=(J10-XJ5-XL5)/(X-1)