text 147 154 815 658
text 147 1622 816 1958
text 147 702 816 1171
text 885 1372 1553 1798
equation 1020 221 1551 294
text 885 1894 1552 1958
text 147 1215 815 1440
equation 943 1806 1492 1888
equation 903 1293 1551 1365
equation 161 1446 814 1623
text 885 300 1552 458
equation 967 462 1469 535
text 885 1030 1552 1287
text 885 155 1552 215
text 885 541 1551 736
equation 361 662 814 701
equation 241 1174 814 1213
equation 905 741 1551 1025