3÷0.3= 5×0.24= 0.38÷3.8= 1-0.09=
13.5×0.1= 0.99+0.1= 0.96÷8= 0.35×4=
0.57÷0.19= 0.125×7×8= 1÷2.5-1÷2.5= 0.8+1.3-0.8+1.3=
分析：0.125×7×8根據(jù)乘法交換律簡算；
0.8+1.3-0.8+1.3按照從左到右的順序計算；
其它題目根據(jù)運(yùn)算法則直接求解．
解答：解：
3÷0.3=10， 5×0.24=1.2， 0.38÷3.8=0.1， 1-0.09=0.91，
13.5×0.1=1.35， 0.99+0.1=1.09， 0.96÷8=0.12， 0.35×4=1.4，
0.57÷0.19=3， 0.125×7×8=7， 1÷2.5-1÷2.5=0， 0.8+1.3-0.8+1.3=2.6．
點(diǎn)評：口算題目，要求快速準(zhǔn)確，能用簡便方法的要用簡便方法．
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