text 151 1498 807 1856
text 847 426 1507 668
text 851 1294 1507 1799
equation 356 1396 805 1478
text 151 781 808 1376
text 851 940 1504 1055
text 851 1145 1504 1209
text 151 1929 805 1991
text 206 549 672 580
equation 308 717 805 762
text 851 757 1505 817
text 851 1889 1505 1948
equation 1023 313 1333 401
equation 362 1876 594 1909
equation 343 476 759 521
equation 209 601 803 646
equation 1037 1237 1319 1270
equation 1079 1083 1277 1116
equation 995 822 1361 857
equation 995 1954 1361 1988
equation 877 696 1479 730
equation 859 1823 1497 1862
text 206 192 807 456
text 851 192 1508 288
text 207 666 359 691
header 600 128 1058 156