text 297 1787 1401 1939
equation 447 1594 1401 1766
text 297 535 1396 813
equation 429 312 1401 519
text 297 1047 1399 1251
equation 403 1272 1401 1400
equation 418 831 1401 1029
text 297 1416 1401 1573
equation 611 1960 1402 2042
text 297 231 1396 294