equation 517 1819 1171 2039
text 297 233 1403 595
equation 566 1104 1135 1145
text 297 1742 1401 1802
equation 539 612 1159 646
text 299 680 1403 1090
text 297 1182 1403 1452
equation 650 1469 1403 1505
text 297 1522 368 1545
equation 299 1564 1297 1707