9 sinf matematika fanidan olimpiada masalalari

9 – sinf matematika fanidan olimpiada masalalari
I – variant

1. 
   Tengsizlikni yeching: а) ; b)
   

2. Parabola uchining koordinatalarini toping:

3. Tenglamani yeching: =2-5x

4. Ikkita o`xshash uchburchak yuzlari 75 sm va 300 sm. Birinchi uchburchakning bir tomoni 7 sm bo`lsa ,ikkinchi uchburchakning unga mos tomonini toping.

5. Perimetrlari 25 m va 50 m bo`lgan ikkita o`xshash ko`pburchak yuzlarining nisbatini toping.

9 – sinf matematika fanidan olimpiada masalalari

II – variant

1.Tengsizlikni yeching: а) ; b) .

2. 
   Parabola uchining koordinatalarini toping: .
   
3. 
   Tenglamani yeching:=3-2x
   
4. 
   Rombning 3 gat eng bo`lgan balandligi tomonni teng ikkiga bo`ladi. . Rombning perimetrini toping
   
5. 
   Perimetrlari 25 m va 50 m bo`lgan ikkita o`xshash ko`pburchak yuzlarining nisbatini toping.
   

9 – sinf matematika fanidan olimpiada masalalari

I – variant

1. 
   Tengsizlikni yeching: а) ; b)
   

2. Parabola uchining koordinatalarini toping:

3. Tenglamani yeching: =2-5x

4. Ikkita o`xshash uchburchak yuzlari 75 sm va 300 sm. Birinchi uchburchakning bir tomoni 7 sm bo`lsa ,ikkinchi uchburchakning unga mos tomonini toping.

5. Perimetrlari 25 m va 50 m bo`lgan ikkita o`xshash ko`pburchak yuzlarining nisbatini toping.