equation 122 442 497 887
equation 138 99 466 146
equation 196 233 483 255
equation 556 321 823 343
equation 518 174 861 196
equation 508 414 862 434
equation 518 101 861 123
equation 510 247 888 271
text 122 269 484 428
text 122 901 484 1136
text 122 26 484 86
text 122 160 430 216
text 509 139 853 159
text 509 285 616 304
text 509 213 610 231
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text 509 26 871 86
text 509 451 871 491