27+0.73=________2.35-2.3=________0.15×4=________0.2×7.8×0.5=________6×0.4=________0.125×8=________7.2÷0.9=________9.3÷0.03=________0÷2.1×6.5=________1÷0.2÷0.5=________130×5=________280÷0.7=________．
网友回答
27.73 0.05 0.6 0.78 2.4 1 8 310 0 10 650 400
解析分析：本题根据小数加减乘除的运算法则直接求解．
解答：27+0.73=27.732.35-2.3=0.050.15×4=0.60.2×7.8×0.5=0.786×0.4=2.40.125×8=17.2÷0.9=89.3÷0.03=3100÷2.1×6.5=01÷0.2÷0.5=10130×5=650280÷0.7=400
点评：直接写得数的题目主要是考察细心的程度，要注意小数点的位置．