17.计算下面各题.
0 156799 156807 156813 156817 156823 156825 156829 156835 156837 156843 156849 156853 156855 156859 156865 156867 156873 156877 156879 156883 156885 156889 156891 156893 156894 156895 156897 156898 156899 156901 156903 156907 156909 156913 156915 156919 156925 156927 156933 156937 156939 156943 156949 156955 156957 156963 156967 156969 156975 156979 156985 156993 199269
568-426÷71 | 68+35×14 | 725-(125+237) |
360÷(9×8) | (363-227)÷17 | 15×(28+34) |