馅:500×1/(1+2+7)=500×1/10=50 (千克)x05
糖:500×2/(1+2+7)=500×2/10=100 (千克)x05
面粉:500×7/(1+2+7)=500×7/10=350 (千克)x05
答:需要馅50千克,糖100千克,面粉350 千克.
馅:500×1/(1+2+7)=500×1/10=50 (千克)x05
糖:500×2/(1+2+7)=500×2/10=100 (千克)x05
面粉:500×7/(1+2+7)=500×7/10=350 (千克)x05
答:需要馅50千克,糖100千克,面粉350 千克.