equation 570 488 815 539
equation 135 344 466 385
equation 197 216 405 238
equation 117 1069 485 1094
text 510 108 878 468
text 118 260 485 325
text 510 558 877 1276
text 118 404 486 1052
text 118 107 485 199
text 118 1111 485 1276