2011×20102010-2010×20112011=______.
2011×20102010-2010×20112011=______.
计算:20112011×2011-20112010-20112010×2010=______.
125×(4+8)=______×______+______×______.
填质数:21=______+______=______×______=______-______.
计算:2011×20122012-2012×20112011=______.
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.
巧填单位名称.1______-59______=1______;1______-9______=1______;1___
0.87×99+0.87=______×______.
2012×2012-2013×2011=______.
0.125=5:______=______%=______÷______.
根据1.2×4=0.6×8,可以写成比例______:______=______:______.