text 297 1704 1402 1896
text 297 94 1402 262
text 297 943 1403 1369
equation 617 1608 1401 1694
text 297 1478 1402 1634
equation 573 1372 1401 1460
equation 311 258 1401 345
text 297 363 1402 900
equation 654 894 1401 926