1. Sonli ifodalar

2. Algebraik ifodalar
1. Algebraik ifodaning qiymatini toping.

6x-4y bunda x=0.5 y= 0,25

A) 2 B) C) 3 D) 1,5

2. Algebraik ifodaning qiymatini toping: bunda a= b=

A) 2,1 B) C) 3 D) 1,4

3 Mashina 2 soatda 150 km yo’l yuradi.. a soatda necha km yo’l yuradi

A) 75 a km B) 150 a km C) 300 a km D) 375 a km

4 . a va b sonlari yig’indising uchlanganligini toping.

A) a+b B) 3a+3b C) (a+b) D) 3a+b

5.Omborda x tonna un bor edi, uning 2y tonnasini olib ketib, 3z tonnasini qaytarib keldi. Omborda qanchga un qoldi.

A) x-3z B) x-2y+3z C) x-3z+2y D) x+(2y-3z)

6. Algebraik ifodani toping. Algebraik ifoda-sonlar va harflardan tuzilib, amallar belgilari bilan birlashtirilgan ifodadir.

A) (a+b) B) 5+3,1,15 C) x+2y-3z=20 D) S=ab
7. Algebraik ifoda shaklida yozing. “ kattasi m ga teng bo’lgan uchta ketma –ket natural sonning ko’paytmasi “

A) m(m+1) (m+2) B) mmm C) m(m-1)(m-2) D) m+(m+1)+(m+2)
8. Bitta daftar a so’m , ruchka esa b so’m xuddi shunday 5 ta daftar va 7 ta ruchka uchun qancha pul to’lanadi. A) 12(a+b) B) 12ab C) 5b+7a D) 5a+7b
9. 8 ta kitob uchun m so’m to’lansa 15 ta kitob uchun qancha pul to’lanadi.

A) 15 B) 15 C) 8 D) 8

10. a tonna-yu b sentiner necha kg bo’ladi.

A) 1000a+100b B) 1000000ab C) 1000b+100a D)100a+10b