1. Tenglamani yeching. 3x+2x=17+(-27) a) 2 b)-2 c)3 d)4
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7-sinf-algebra-1-2-3-4-chorak(1)
a) 15 b)14 c)13 d)12
17. Tenglamani yeching. 0,71x+1,98=0,37x-1,76 a) 11 b)10 c)9 d)8 18. Teng yonli uchburchakning perimetri 51 sm gat eng. Asos yon tomondan 6 sm uzun. Shu uchburchak yon tomonining asosiga nisbatini toping. a) 5 b) c)7 d)-7 19. Proporsiyaning noma`lum hadini toping. 30:10=6:x a) 1 b)2 c)3 d)4 20. Tenglamani yeching. =x 21. 5 sonining kubi qanday raqam bilan tugaydi? 22. To`g`ri to`rtburchakning bo`yi 8 smga teng. Eni bo`yidan 1,5 sm qisqa. To`g`ri to`rtburchakning perimetrini toping. 23. 12 kvadrati qanday raqam bilan tugaydi? 24. Matematikada raqamlar soni nechta? 25.Hisoblang. -(-3)2 (-2)3
7-sinf A L G E B R A II-CHORAK 1.Hisoblang. -5(-2)3 a) 10 b)40 c)30 d)20 2.Amallarni bajaring. (-0,1 ab2c)2 (100by2) a) 20 ab b)a2b5c2y2 c)30 b d)10b3y2c2 3.Birhadni darajaga ko`taring. (-2a2 b)3 a) -8a6b3 b) 8a6b3 c) 18a4b2 d) -2a2b 4.Birhadni ko`pytiring. (5a) (a2 b2) (-2b) (-3a) a) 30a4b3 b) 20a4b3 c) -30a4b3 d) 20a5b6 5.Sonlarning asosi 2 bo`lgan daraja shaklida yozing. 1024 a) 22 b) 28 c) 210 d) 211 6.Tenglamani yeching. X. 26=28 a) x b) x3 c) x2 d) x4 7.Ifodani ko`rsatkichi 3 bo`lgan daraja shaklida yozing. -125n6 m6 a) (52 m3 n3)3 b) 53 n6 m6 c) -53 m6 n6 d) (-5 n2 m2)3 8.Hisoblang. . . Download 162 Kb. Do'stlaringiz bilan baham: |
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