Boshlang’ich matematika kursi nazariyasi

41.Kеsmа uzunligi vа uzunlik birliklаri хаqidаgi qаysi mulохаzа nоto’g’ri?

АV=5 sm SD=7sm 5mm АV+SD=17

42. Quyidаgi mulоhаzаlаrdаn qаysilаri to’g’ri? 1) 12 sm + 2 dm = 14 dm; 2) 4 dm 3 mm + 2 dm 1 sm = 6 dm 4 m; 3) 5 dm 3 sm - 2 dm 1 sm = 2 dm 2 sm; 4) 1 m 12 sm - 2 dm 5 sm = 9 dm 7 sm.

3)

43. Hisoblang. 19,9 18 - 19,9 16 + 30,1 18 – 30,1 16

100

44. EKUK (3600, 1500) ni toping

18000

45. Qaysi javob tog`ri

12km 1000m=12km 1000m 120dm 12sm=1m 32sm

32sm 50mm=325cm 6km 120dm= 6120dm

1-3

46. EKUB (4598; 1476) ni toping

2

47. 420 ning bo`luvchilari soni nechta?

24

48. Qandaydir sonni 289 ga bo`lganda qoldiq 287 ga teng bo`lsa, shu sonni 17 ga bo`lgandagi qoldiqni toping.

15

49. Hisoblang 19,9 x18-19,9x16+30,1x18-30,1x16

100