计算:4.25×5.24+1.52×2.51=______.
计算:4.25×5.24+1.52×2.51=______.
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:4.25*5.24*1.52*2.51=