答案 小正方形的边长最大值是140、80的最大公约数,140=2×2×5×7,80=2×2×2×2×5所以140、80的最大公约数是:2×2×5=20,即小正方形的边长最大是20cm;(140×80)÷(20×20)=11200÷400=28(个)答:小正方形的边长最大是20cm,可以剪28个....
Elephants have got 6 teeth.Four of the teeth are about 30 cm long.Two teeth are much longer.They can be over 100 cm.Elephants eat plants.They eat about 225 kg a day.They can drink 140 litres(升)of water.An elephant can live for about 70 years. (1). Can el...