计算9999+999+99+9+8=______.
计算:99999+9999+999+99+9=______.
计算:888×999=______.
简便计算:101×99=______.
计算9999×1111+3333×6667=______.
计算:9999×4444÷6666=______.
利用因式分解计算:0.3332×4-1.2222×9=______.
计算:5002-499×501=______.
计算:1232-122×124=______.
计算:1001×1001-1001=______.
计算:lg2+lg5=______.
计算:1.996+19.97+199.8=______.
计算5.762-4.242=______.