计算:3.6×42.3×3.75-12.5×0.423×28=______.
计算:3.6×42.3×3.75-12.5×0.423×28=______.
计算:0.5×12.5×2.5×128=______.
计算:5002-499×501=______.
计算:1232-122×124=______.
计算:1001×1001-1001=______.
简便计算:101×99=______.
计算:888×999=______.
计算:lg2+lg5=______.
计算:1.996+19.97+199.8=______.
计算5.762-4.242=______.
计算:57.32°=______度______分______秒.
计算:(1)12.5×111-1.5×25=______.(2)49.2492492÷1.23123123=______