12.直接写出得数.
0 157993 158001 158007 158011 158017 158019 158023 158029 158031 158037 158043 158047 158049 158053 158059 158061 158067 158071 158073 158077 158079 158083 158085 158087 158088 158089 158091 158092 158093 158095 158097 158101 158103 158107 158109 158113 158119 158121 158127 158131 158133 158137 158143 158149 158151 158157 158161 158163 158169 158173 158179 158187 199269
10-5.2= | 3.25×0= | 15×$\frac{3}{5}$= | 10÷0.1= |
$\frac{5}{9}$×$\frac{4}{5}$= | ($\frac{1}{3}$-$\frac{1}{4}$)×12= | $\frac{1}{5}$×0.24×5= | 9-$\frac{7}{9}$-$\frac{2}{9}$= |