724
3
10262
1
5948
1517
1
401
446
2
527
435
822
381
667
490
520
918
421
464
344
593
2990
476
524
360
365
712
366
509
476
347
847
769
452
579
419
684
Tính (theo mẫu):
1dm + 1dm = 2dm 2dm + 3dm = 7dm + 3 dm = 8dm + 10dm = | 5dm – 3dm = 2dm 10dm – 5dm = 18dm – 6dm = 49dm – 3dm = |
437
345
513
413
346