计算:19.98×37-199.8×1.9+1998×0.82=______.
计算:19.98×37-199.8×1.9+1998×0.82=______.
计算:1.996+19.97+199.8=______.
计算:1999.9+199.9+19.9+1.9=______.
计算:39×37-13×34=______.
计算99999×7+11111×37=______.
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5.762-4.242=______.