Qiziqarli matematika test

Matematik ifodani soddalashtiring: 3(x + 4) - 2(x - 1).

• x + 14

• x + 10

• 2x + 10

• 4x + 12

Geometrik shakl: 5 sm radiusli doiraning yuzini hisoblang.

• 78.54 sm²

• 50 sm²

• 100 sm²

• 31.42 sm²

Matematik ifodani soddalashtiring: (x^2 - 1)/(x - 1).

• x^2 + 1

• 1/(x - 1)

• x + 1

• x - 1

Agar 1 dan 100 gacha bo‘lgan barcha natural sonlar qo‘shilsa, yig‘indi nechaga teng bo‘ladi?

• 5050

• 5000

• 10000

• 1234...99100

Matematikada "Oltin nisbat" qaysi son bilan ifodalanadi?

• a) Q≈0.11185

• π≈3.1416

• e≈2.718

• φ≈1.618