text 297 828 1401 896
equation 420 901 1401 991
equation 560 500 1079 552
equation 390 727 1401 806
text 297 1710 1401 1806
equation 444 597 1401 665
text 297 558 997 593
text 297 687 1240 720
text 297 231 1402 494
text 297 1519 1402 1652
equation 359 1033 1336 1112
equation 646 1454 1403 1487
text 299 997 642 1027
text 295 1137 1403 1209
equation 297 1218 1505 1273
text 297 1320 1403 1443
equation 454 1815 1190 1853
equation 333 1940 1311 1985
text 297 1860 1402 1932
text 1377 2006 1403 2029