8-sinf test Tеngsizlikni yeching

Kesma 5:6 nisbatda ikki bo`lakka bo`lingan. Agar katta bo`lak kichik bo`lakdan 4 sm uzun bo`lsa, har bir kesma bo`lagining uzunligini toping.

А)44 В)11 С)30 D)120

48. 
    Uzunligi 6 sm dan bo`lgan 30 ta gugurt cho`pidan eng katta yuzli to`g`ri to`rtburchak yasaldi. Uning yuzi qanchaga teng. А)180 В)3625 С)4025 D)2025
    
49. 
    2x²+x+16 ifodaning qiymatini bo’lganda hisoblang. А) В) С) D)
    
50. 
    . Ko’paytmani hisoblang: А) В) С) D)
    

s	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
j

s	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50
j