中关村挖一条水渠,第一天挖了37.6米,第二天挖了47.9米。两天一共挖了多少米?7s1D6c5D4w(`(H5I3d:G.|-X
算式:提示/W:A8d1o/{6f1H-}.`5J7s1D6c5D4w(`(H5I3d:G.|-X
答:两天一共挖了(~-Q0j9z7Y米。7s1D6c5D4w(`(H5I3d:G.|-X