equation 194 531 315 577
equation 194 753 313 777
equation 545 786 666 827
equation 194 952 428 977
equation 510 1031 733 1093
text 122 989 485 1139
text 122 27 485 518
text 141 790 484 936
text 141 590 484 740
text 509 27 872 769
text 509 848 871 1026
text 509 1096 871 1139