Matematikadan test savollari Agar x = -2 bo’lsa, y = 3x funksiyaning qiymatini toping


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D)
145. Teng yonli trapetsiyaning kichik asosi 42 ga teng. Uning diagonali o`tmas burchagini teng ikkiga bo`ladi. Trapetsiyaning o`rta chizig`ini toping.

А) 8


B) 8,5

C) 12


D) 7,5
146. Har bir burchagi bo`lgan qavariq ko`pburchakning nechta tomoni bor?

А) 5


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