7- sinf matematika test


ta to`g`ri chiziqning kesishishidan hosil bo`lgan bir burchak 102


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7-sinf-matem

17. 2 ta to`g`ri chiziqning kesishishidan hosil bo`lgan bir burchak 1020 bo`lsa qolgan burchaklarni toping.

A) 1020 , 780 , 1020 B) 780 , 1020, 780 C) 680, 1100, 680 D) 460,540,460


18. O`nburchakning nechta diogonali bor?

A) 30 ta B) 35 ta C) 42 ta D) 40 ta



x – 2 x +1

19. —— - 1 = —— - 2 tenglamani yeching. _______________

5 4

20. Ikki sonning yig`indisi 11 ga teng, ularning ko`paytmasi 30 ga teng shu sonlarni toping. ______________

a2 . (a3)5

21. ———— ni soddalashtiring _____________________

(a2)8

22. a2 (b2 + c2) – c2 (a2 – b2) – b2 (a2 + c2) soddalashtiring ________________

23. Teng yonli uchburchakning asosiga tushirilgan bissehtrisasi uzunligi 8 sm, uchburchakning perimetri 40sm bo`lsa, hosil bo`lgan uchburchaklar perimetrlarini toping.__________________

24. Qo`shni burchaklarning biri ikkinchisidan 240 ortiq bo`lsa, ulardan kichigini toping. ________________

25. Teng yonli uchburchakning asosi yon tomonlaridan ikki marta uzun uning perimatri 40 sm bo`lsa, uning tomonlarini toping._______________

\\7-matematika kaliti :

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19.X=7


20.5va6

21.a


22.0

23.28sm


24.78sm

25.10sm,20sm,10sm
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