SOLUTION: There is 123456789. You have 9 boxes (grids) you have to add the top with middle and get the answer at the bottom. You can only use one number only once

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Question 154966: There is 123456789. You have 9 boxes (grids) you have to add the top with middle and get the answer at the bottom. You can only use one number only once
Answer by Edwin McCravy(20054) (Show Source):
You can put this solution on YOUR website!

Here are all 168 ways to fill in the grid with the digits 1 thru 9, so that the number in the top row plus the number in the middle row equals the number in the bottom row. Of course you can make 168 more ways by swapping the numbers in the top two numbers. 124 125 127 127 128 128 129 129 129 129 134 135 659 739 359 368 367 439 357 438 654 735 658 729 783 864 486 495 495 567 486 567 783 864 792 864 138 138 139 139 142 142 143 145 146 146 152 152 429 654 428 725 596 695 586 692 583 592 487 784 567 792 567 864 738 837 729 837 729 738 639 936 154 154 154 157 157 158 159 159 162 162 163 167 629 638 782 329 482 634 327 624 387 783 782 328 783 792 936 486 639 792 486 783 549 945 945 495 167 168 173 173 175 176 182 182 182 182 182 182 382 327 286 295 293 283 367 394 457 493 754 763 549 495 459 468 468 459 549 576 639 675 936 945 183 183 183 183 184 184 186 186 187 187 192 192 276 492 546 762 392 752 273 543 362 452 384 483 459 675 729 945 576 936 459 729 549 639 576 675 192 192 193 193 194 195 195 196 214 214 215 215 546 645 275 482 382 273 642 542 569 659 478 748 738 837 468 675 576 468 837 738 783 873 693 963 216 216 218 218 218 218 218 218 219 219 219 219 378 738 349 376 439 475 736 745 348 438 564 654 594 954 567 594 657 693 954 963 567 657 783 873 234 235 236 236 237 238 238 239 241 243 243 245 657 746 718 745 654 419 716 418 596 576 675 673 891 981 954 981 891 657 954 657 837 819 918 918 245 245 246 246 246 248 248 249 251 254 254 257 718 736 573 591 735 319 715 318 397 619 637 391 963 981 819 837 981 567 963 567 648 873 891 648 257 259 264 269 271 271 273 273 273 273 275 275 634 614 519 514 593 683 546 591 645 681 418 643 891 873 783 783 864 954 819 864 918 954 693 918 276 276 278 278 281 281 283 284 291 291 291 291 318 543 316 415 394 673 671 391 357 384 546 573 594 819 594 693 675 954 954 675 648 675 837 864 293 294 296 297 314 317 317 318 318 319 324 324 571 381 541 351 658 529 628 627 654 527 567 657 864 675 837 648 972 846 945 945 972 846 891 981 327 327 327 327 328 329 341 342 346 346 352 354 519 564 618 654 617 517 586 576 572 581 467 618 846 891 945 981 945 846 927 918 918 927 819 972 354 357 357 358 362 364 367 367 372 376 381 386 627 462 624 614 457 527 452 524 546 542 546 541 981 819 981 972 819 891 819 891 918 918 927 927 Edwin