equation 427 1872 1401 2044
equation 546 334 1152 424
equation 401 961 1300 1066
text 297 233 1403 324
text 297 623 1402 683
text 297 1657 1403 1727
equation 648 541 1050 597
equation 609 1736 1088 1788
text 297 433 1403 533
text 297 1071 1403 1450
text 293 1798 1402 1862
equation 391 1592 1307 1647
equation 527 1447 1171 1487
equation 623 691 1075 726
equation 465 807 1237 912
text 295 735 1401 797
text 297 1492 1401 1584
text 297 920 1401 951