equation 476 903 1194 1013
equation 1491 1151 2264 1283
equation 1490 678 2264 785
equation 1635 2401 2264 2449
equation 578 1445 1194 1493
text 217 381 1197 869
text 1286 381 2264 660
text 216 1051 1197 1411
text 1286 1302 2266 2380
text 1286 805 2262 1131
text 1285 2468 2266 3075
text 215 1528 1197 3075