7+6=13130÷【6/13×(1-3/5)-7/13×(1-3/4)】×6/13=130÷1/20×6/13=2600×6/13=1200130÷【6/13×(1-3/5)-7/13×(1-3/4)】×7/13=130÷1/20×7/13=2600×7/13=1400答原来甲仓库1400包,原来乙仓库1200包...
7+6=13130÷【6/13×(1-3/5)-7/13×(1-3/4)】×6/13=130÷1/20×6/13=2600×6/13=1200130÷【6/13×(1-3/5)-7/13×(1-3/4)】×7/13=130÷1/20×7/13=2600×7/13=1400答原来甲仓库1400包,原来乙仓库1200包...