text 297 1798 1402 1894
equation 527 1336 1401 1407
text 297 816 1403 1139
equation 470 1903 1401 1974
equation 521 1718 1401 1789
equation 499 699 1401 781
equation 411 1149 1401 1220
text 297 1982 1402 2042
text 297 1416 1402 1479
text 297 1229 1192 1326
equation 722 1607 1401 1670
equation 522 1488 1401 1559
equation 722 1607 977 1670
text 298 1569 726 1599
text 297 229 1402 691
text 298 1680 858 1708