一个房间长8.1\mathrm{m},宽5.2\mathrm{m}。现在要铺上地毯,100块够吗?(不考虑损耗)。正方形面积:0.6\times 0.6=0.36(\mathrm{m^{2}})房间面积:8.1\times 5.2=42.12(\mathrm{m^{2}})100块:0.36\times 100=36(\mathrm{m^{2}})比大小:36{\lt}42.12(\mathrm{m^{2}})...