东仓库存粮1500吨,西仓库存粮1200吨,如果每天从东仓库运出60吨粮到西仓库,多少天后西仓库的存粮是东仓库的2倍?'D4a5z4c6j2F
算式:提示6V0P6O1l)Q4l5Y7_+W)w'D4a5z4c6j2F
答:(x)?6y*x(x天后西仓库的存粮是东仓库的2倍。'D4a5z4c6j2F