text 297 1421 1402 2035
equation 591 451 1401 539
text 297 231 1403 434
equation 525 1137 1401 1208
text 297 557 1402 836
text 297 1045 1400 1120
equation 619 996 1401 1029
text 297 906 1400 979
equation 582 854 1399 888
equation 440 1370 1400 1405
text 298 1226 1402 1353