1．直接写出得数．
0 164981 164989 164995 164999 165005 165007 165011 165017 165019 165025 165031 165035 165037 165041 165047 165049 165055 165059 165061 165065 165067 165071 165073 165075 165076 165077 165079 165080 165081 165083 165085 165089 165091 165095 165097 165101 165107 165109 165115 165119 165121 165125 165131 165137 165139 165145 165149 165151 165157 165161 165167 165175 199269
| 12.4-8= | 3.5÷5= | 23+4.7= | 10-2.3= |
| 5.6+4= | 0.6-0.23= | 0.64+0.46= | 0.06×0.7= |
| 0.05×1.6= | 2.3×4×0= |
