计算:8888×3333+4444×3334=______.
计算:8888×3333+4444×3334=______.
计算:9999×4444÷6666=______.
计算9999×1111+3333×6667=______.
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:(1)3+5+7+9+…+73+75=______;(2)8888×1111+4444×7778=______.