665
3
9524
1
5792
1488
1
389
432
2
514
423
798
376
653
480
511
900
408
454
341
579
2941
468
516
357
359
697
357
501
463
342
819
746
444
565
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
501
410
339