equation 141 219 420 278
equation 564 399 821 460
equation 172 977 428 1037
equation 512 141 874 218
text 510 473 877 1276
text 118 1059 485 1276
text 116 301 486 955
text 118 108 485 196
text 510 232 877 386
text 510 105 729 128