千以内加减法 100 道314 + 404 =928 - 151 =562 - 418 =231 + 608 =733 - 605 =819 + 175 =983 - 121 =237 + 216 =··························································642 + 137 =885 - 582 =180 + 734 =369 - 335 =570 - 355 =293 - 120 =757 - 519 =265 + 729 =995 - 317 =886 - 511 =357 + 489 =388 + 381 =565 + 157 =113 + 273 =861 - 454 =604 + 359 =400 + 440 =328 + 130 =662 - 629 =196 + 517 =345 + 389 =627 - 606 =209 + 102 =751 + 212 =··············································································································································································ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ··············································································································································································262 + 419 =537 - 337 =232 + 447 =367 - 118 =968 - 846 =926 - 517 =834 - 316 =662 - 307 =144 + 295 =556 + 167 =291 + 333 =163 + 446 =605 - 379 =763 - 154 =398 - 134 =260 + 518 =827 - 358 =492 + 260 =127 + 634 =544 + 370 =458 + 425 =224 + 710 =264 + 108 =532 - 412 =635 - 156 =925 - 575 =238 - 202 =440 + 381 =151 + 792 =201 + 709 =718 - 530 =279 + 246 =958 - 663 =184 - 155 =421 + 230 =620 - 260 =···············································...
