问题 解答题 把下面的百分数化成小数或整数.78%=______ 3.5%=______180%=______ 0.09%=______500%=______ 0.2%=______201%=______ 90.4%=______. 答案 78%=0.783.5%=0.035,180%=1.8,0.09%=0.0009,500%=5,0.2%=0.002,201%=2.01,90.4%=0.904.