Ответ:

Вычисления по столбцам, сверху вниз:

Левый столбецСредний столбецПравый столбец
170 + 60 = 230920 − 30 = 890640 − 32 = 608
925 + 30 = 955500 + 83 = 583280 + 60 = 340
900 − 34 = 866576 − 30 = 546564 + 183 = 747
450 + 360 = 810748 − 600 = 148295 + 573 = 868
920 + 40 = 960650 − 70 = 580230 + 57 = 287
470 − 180 = 290345 + 573 = 918640 − 30 = 610
567 − 300 = 267165 + 27 = 192583 − 300 = 283
149 + 70 = 219430 − 20 = 410400 + 57 = 457
560 − 15 = 545954 + 35 = 989789 + 60 = 849
270 − 90 = 180620 + 360 = 980300 + 47 = 347
456 + 277 = 733745 − 40 = 705680 − 140 = 540
820 − 82 = 738945 − 600 = 345350 − 20 = 330
450 + 30 = 480120 − 78 = 42450 + 90 = 540
289 − 196 = 93600 + 47 = 647460 − 83 = 377
538 + 40 = 578370 − 80 = 290820 + 92 = 912
460 + 50 = 510420 − 30 = 390839 − 50 = 789
730 − 37 = 693560 + 50 = 610726 − 472 = 254
500 + 35 = 535930 − 10 = 920830 + 120 = 950
980 − 190 = 790480 − 40 = 440310 + 430 = 740
474 − 385 = 89500 + 58 = 558800 − 50 = 750
925 − 600 = 325582 − 70 = 512573 − 40 = 533
375 − 60 = 315430 − 50 = 380984 − 700 = 284
780 − 120 = 660462 − 50 = 412670 + 20 = 690
627 + 192 = 819563 + 285 = 848450 − 70 = 380
400 − 64 = 336480 + 10 = 490910 − 30 = 880
359 + 38 = 397370 − 50 = 320275 + 385 = 660
645 − 364 = 281640 − 20 = 620240 + 40 = 280
800 + 56 = 856720 + 130 = 850580 + 30 = 610
720 − 17 = 703450 + 340 = 790970 − 60 = 910
450 + 30 = 480900 + 62 = 962350 + 80 = 430
840 − 60 = 780299 + 19 = 318359 + 60 = 419
456 − 30 = 426693 − 30 = 663563 + 173 = 736
220 + 140 = 360530 − 18 = 512420 + 40 = 460
730 − 20 = 710900 + 36 = 936700 + 48 = 748
540 − 35 = 505120 + 670 = 790576 − 300 = 276
340 + 120 = 460500 + 47 = 547740 + 70 = 810
450 − 60 = 390370 − 50 = 320320 − 40 = 280
375 − 182 = 193230 − 60 = 170657 − 382 = 275
562 + 373 = 935428 − 30 = 398940 − 80 = 860
480 + 72 = 552573 − 50 = 523560 + 120 = 680