text 297 1511 1404 1711
text 297 921 1404 1073
text 297 1821 1404 2036
text 297 542 1402 793
text 297 1212 1402 1303
equation 561 810 1401 901
text 297 231 1402 402
equation 519 1731 1401 1801
equation 382 1090 1401 1195
equation 308 420 1390 525
equation 526 1323 1401 1394
equation 526 1413 1401 1501
text 306 1416 376 1438