equation 538 825 878 881
equation 143 605 486 717
equation 541 1193 878 1279
equation 535 992 878 1048
equation 143 854 486 885
equation 201 1013 486 1038
text 118 1051 485 1276
text 510 890 877 979
text 510 102 877 812
text 510 1059 877 1180
text 118 731 485 842
text 118 899 485 999
text 118 107 486 591