text 297 1160 1404 1687
equation 419 1844 1401 2029
equation 463 1691 1401 1769
text 297 1774 1402 1838
text 297 233 1402 446
equation 732 451 1401 507
equation 431 792 1270 1155
equation 370 606 1336 748
text 297 535 1402 601
text 298 757 1004 787