计算:38.3×7.6+11×9.25+427×0.24=______.
计算:38.3×7.6+11×9.25+427×0.24=______.
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.
根据化学方程式计算的一般解题步骤是______、______、______、______、______.
计算:1+3+5+7+9+11+13+15+17+19+21+23=______.