Algebraik tengliklar, formulalar — 7-sinf Algebra test savollari
Bu mavzuda 15 ta test savoli bor. Quyida 10 ta namuna — to'liq test va javoblar kaliti ro'yxatdan o'tgandan keyin ochiladi.
1.Uchburchak yuzi S = (a·h):2 formulasi bo'yicha, a = 12 sm, h = 5 sm bo'lsa, S ni toping
- A)17
- B)30
- C)35
- D)60
2.To'g'ri to'rtburchak yuzi S = a·b, perimetri P = 2(a+b). a = 7 sm, b = 4 sm bo'lganda S - P ayirmani toping.
- A)6
- B)28
- C)-6
- D)22
3.Tekis harakat formulasi s = v·t bo'yicha, v = 45 km/soat, t = 2,4 soat bo'lsa, s ni toping (km).
- A)108
- B)99
- C)112
- D)94.5
4.Trapetsiya yuzi S = ((a+b)·h):2 formulasida a=6, b=10, h=5 bo'lsa, S ni toping.
- A)80
- B)40
- C)35
- D)45
5.Kvadrat perimetri P = 4a formulasida P = 36 sm bo'lsa, a ni toping (sm).
- A)10
- B)9
- C)8
- D)144
6.To'g'ri burchakli parallelepiped hajmi V = a·b·c formulasida a=2, b=3, c=5 bo'lsa, V ni toping.
- A)25
- B)15
- C)10
- D)30
7.Aylana uzunligi C = 2·π·r formulasida (π ≈ 3) r = 7 sm bo'lsa, C ni taxminan toping.
- A)49
- B)21
- C)44
- D)42
8.Foyda formulasi F = D - X (daromad minus xarajat) da D = 500000, X = 320000 bo'lsa, F ni toping.
- A)180000
- B)820000
- C)220000
- D)170000
9.P = 2(a+b) formulasidan b ni toping: P=20, a=6.
- A)8
- B)5
- C)14
- D)4
10.To'g'ri to'rtburchak yuzi S = a·b formulasida a = 8 sm, b = 5 sm bo'lsa, S ni toping.
- A)45
- B)40
- C)13
- D)26
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