text 297 1967 1402 2036
equation 721 731 1401 814
text 296 562 1402 715
text 297 222 1402 462
text 296 830 1402 962
equation 698 1737 1401 1773
equation 470 976 1401 1051
equation 654 476 1401 548
equation 596 1895 1101 1940
text 297 1799 1403 1882
equation 646 1109 1401 1186
text 296 1200 1405 1716
text 297 1066 673 1096