text 147 1806 815 1953
text 146 872 816 1043
text 885 1334 1552 1542
text 143 156 816 774
text 885 1640 1551 1787
equation 240 1629 813 1777
equation 1023 233 1551 468
text 885 486 1552 1041
text 148 1541 813 1602
text 885 155 1551 215
equation 319 1162 813 1310
text 147 1361 814 1455
equation 967 1801 1473 1963
equation 945 1560 1551 1623
equation 311 799 813 845
equation 892 1055 1551 1153
equation 238 1067 813 1100
equation 1027 1247 1406 1319
equation 303 1479 813 1512
text 885 1154 1547 1234
text 147 1126 218 1151