7-sinf algebr a I chorak
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www.idum.uz Algebra fanidan test 7 sinf 1-4 chorak.docx
7-sinf
ALGEBRA IV-CHORAK 1.Algebraik kasrning son qiymatini toping. bunda b=1,5 a) 4 b) 5 c) 3 d) 2 2. Kasrni qisqartiring. a) 5+x b) 5-x c) x+5 d) x-5 3. Kasrni qisqartiring. a) d2-32 b) 32-d c) d-3 d) d+3 4. Kasrni qisqartiring. a) 5-2x b) 1 c) d) 5. Kasrning yig`indisini toping. - a) b) 28 c) d) 6. Ifodani soddalashtirib so`ngra son qiymatini toping. bunda c=1 a) -19 b) c) d) - 7. Kasrni bo`ling. a) b) c) 3 d) 2 8. Kasrni ko`paytiring. 50. a) b) c) 25 d) 14 9. Kasrni ko`paytiring. a)-a2 b)a2 c) b d) b2 10.13 a)-2 b)2 c) 3 d) 4 11. Ifodaning son qiymatini toping. (3x+2y)(9x2-6xy+4y2)-8(x2+y2) bunda x=0,1 y=4 a) b) c) d) 0,019 12. Amallarni bajaring. 2,17+(3,2-0,17) a) 6 b)-5,2 c) 5,2 d) 5 13. Amallarni bajaring. 1,7.32+ .12-15 a) 8,3 b)7,3 c) 6,3 d) 9 14. Algebraik ifodaning qiymatini toping. x- y bunda x=8 y=-14 a) 8 b)6 c) 4 d) 2 15. Amallarni bajaring. 125-(23+39) a) 60 b)59 c) 62 d) 61 16. Qavslarni oching va hisoblang. 14-(7-13+2) a) 18 b)17 c) 16 d) 15 17. a=5,1 b=4,7 bo`lsa P=2(a+b) ifodaning son qiymatini toping. a) 1,96 b)196 c) 19,6 d) 197 18. Tenglamani yeching. 9x-23=5x-11 a) 4 b)2 c) 3 d) -3 19. Tenglamani yeching. 4-8y+8=2y-10+7y+9 a) y=-1 b) y=1 c) y=0 d) y=2 20.O`quvchi bir son o`yladi. Agar uni 4 ga ko`paytirilsa, ko`paytmaga esa 8 soni qo`shilsa va hosil bo`lgan yig`indini 2 ga bo`linsa, u holda 10 hosil bo`ladi. O`quvchi qanday sonni o`ylagan? 21. Tenglamani yeching. 2x-3(x-1)=4+2(x-1) 22. Hisoblang. (-1)7 23. Ifodaning asosi a bo`lgan daraja shaklida yozing (a5)6 24. Amallarni bajaring. (-a)3(2a) 25. Amallarni bajaring. 4,07-5,49+8,93-1,51
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