חשבון — כיתה ד׳

פתרונות

1. 558 — 345 + 213 = 558
2. 663 — 412 + 251 = 663
3. 860 — 520 + 340 = 860
4. 778 — 631 + 147 = 778
5. 1,500 — 1,200 + 300 = 1,500
6. 3,700 — 2,300 + 1,400 = 3,700
7. 6,600 — 4,100 + 2,500 = 6,600
8. 468 — 789 - 321 = 468
9. 424 — 654 - 230 = 424
10. 534 — 987 - 453 = 534
11. 2,300 — 3,500 - 1,200 = 2,300
12. 3,300 — 5,700 - 2,400 = 3,300
13. 3,200 — 6,800 - 3,600 = 3,200
14. 2,000 — 1,000 + 1,000 = 2,000
15. 7,000 — 3,000 + 4,000 = 7,000
16. 3,000 — 8,000 - 5,000 = 3,000
17. 600 — 250 + 350 = 600
18. 690 — 460 + 230 = 690
19. 630 — 870 - 240 = 630
20. 410 — 910 - 500 = 410
21. 3,750 — 1,450 + 2,300 = 3,750
22. 5,700 — 2,100 + 3,600 = 5,700
23. 3,100 — 7,200 - 4,100 = 3,100
24. 7,500 — 4,500 + 3,000 = 7,500
25. 3,000 — 9,000 - 6,000 = 3,000
26. 951 — 567 + 384 = 951. 7+4=11, כותבים 1 ועוברים 1. 6+8+1=15, כותבים 5 ועוברים 1. 5+3+1=9.
27. 1,311 — 748 + 563 = 1,311. 8+3=11, עבר 1. 4+6+1=11, עבר 1. 7+5+1=13.
28. 1,333 — 836 + 497 = 1,333. 6+7=13, עבר 1. 3+9+1=13, עבר 1. 8+4+1=13.
29. 4,194 — 2,456 + 1,738 = 4,194
30. 6,524 — 3,675 + 2,849 = 6,524
31. 457 — 824 - 367 = 457
32. 347 — 631 - 284 = 347
33. 444 — 900 - 456 = 444
34. 3,547 — 5,003 - 1,456 = 3,547
35. 3,385 — 7,241 - 3,856 = 3,385
36. 8,292 — 4,528 + 3,764 = 8,292
37. 9,163 — 6,309 + 2,854 = 9,163
38. 2,338 — 8,174 - 5,836 = 2,338
39. 5,248 — 9,000 - 3,752 = 5,248
40. 6,824 — 1,846 + 4,978 = 6,824