text 297 1754 1402 2029
equation 602 1611 1098 1676
equation 588 1054 1106 1126
text 297 1505 1403 1606
equation 638 936 1060 974
text 298 978 1401 1049
equation 638 1463 1060 1501
text 297 227 1403 930
text 296 1266 1402 1456
equation 294 1680 998 1728
equation 296 1132 1404 1242