text 297 1697 1404 1852
equation 512 1313 1401 1464
text 297 1495 1402 1590
text 297 133 1404 319
equation 503 1604 1401 1668
text 297 911 1402 1014
text 298 1263 1395 1301
equation 686 1867 1013 1942
equation 689 333 1010 409
text 297 1078 1402 1205
equation 489 1029 1208 1066
equation 615 1215 1401 1254
equation 327 735 1567 881
text 298 422 849 453
text 297 559 576 589
equation 439 601 1260 680
equation 439 465 1260 544
text 298 694 757 724