7-sinf matematika I variant

23. Birhadni ko’paytiring: (3a)·(3b)=?
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24. Vertikal burchaklardan biri 50⁰ bo’lsa, qolganlarini toping?
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25.Birhadni satndart sahklda yozing: z⁵z⁵z=?
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TEST (7- sinf, Matematika)
2-variant
1.Teng yonli uchburchakning perimetri 25 sm ga teng. Agar uning yon tomoni asosidan 5 sm uzun bo’lsa, uchburchakning asosini toping?
A)5 sm B) 10 sm C) 3 sm D) 15 sm
2. = +3+ tenglamaning ildizi bo’lsa, +1 ifodaning qiymatini toping?
A)10 B)50 C)3 D)15