text 847 1648 1510 1918
text 851 471 1507 992
text 151 1480 808 1877
text 851 1260 1505 1368
text 851 188 1506 376
equation 180 1366 663 1454
equation 935 1018 1421 1106
text 851 1462 1504 1525
text 151 192 808 912
text 852 1132 1202 1162
text 151 991 805 1189
equation 923 411 1505 444
equation 987 1551 1369 1622
equation 389 935 566 968
equation 335 1900 620 1933
equation 327 1212 628 1245
equation 1029 1952 1417 1985
equation 901 1192 1455 1225
text 152 1953 640 1988
equation 865 1398 1492 1431
text 151 1267 804 1332
header 602 126 1060 153