33.1 problem 963
33.2 problem 964
33.3 problem 965
33.4 problem 966
33.5 problem 967
33.6 problem 968
33.7 problem 969
33.8 problem 970
33.9 problem 971
33.10 problem 972
33.11 problem 973
33.12 problem 974
33.13 problem 975
33.14 problem 976
33.15 problem 977
33.16 problem 978
33.17 problem 979
33.18 problem 980
33.19 problem 981
33.20 problem 982
33.21 problem 983
33.22 problem 985
33.23 problem 986
33.24 problem 987
33.25 problem 988
33.26 problem 989
33.27 problem 990
33.28 problem 991
33.29 problem 992
33.30 problem 993
33.31 problem 994
33.32 problem 995