665
3
9555
1
5799
1489
1
390
432
2
514
423
799
376
654
481
512
901
409
455
341
579
2942
469
516
357
359
697
357
501
463
343
823
747
444
566
408
678
Tính (theo mẫu):
1dm + 1dm = 2dm 2dm + 3dm = 7dm + 3 dm = 8dm + 10dm = | 5dm – 3dm = 2dm 10dm – 5dm = 18dm – 6dm = 49dm – 3dm = |
430
334
502
410
339