text 851 1141 1506 1298
text 851 543 1509 999
text 151 1781 806 1913
text 851 1415 1506 1636
equation 952 1017 1405 1122
text 150 191 806 1071
text 852 1743 1506 1833
equation 907 1315 1449 1398
text 851 1911 1289 1942
equation 295 1675 803 1746
text 151 1331 609 1364
text 152 1626 730 1657
equation 1067 458 1292 523
text 152 1159 804 1224
equation 969 1653 1371 1724
equation 259 1241 682 1312
equation 875 1962 1481 1998
equation 360 1930 580 2002
equation 964 1858 1394 1894
equation 422 1093 534 1139
text 851 191 1506 438
equation 371 1542 803 1617
equation 256 1382 702 1510
text 154 1526 216 1550