Uy » Choraklik online testlar » Matematika choraklik » 7-sinf Matematika 4-chorak Matematika choraklik 7-sinf Matematika 4-chorak InfoMaster Aprel 7, 2021 1510 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 2 OMAD YOR BO'LSIN! Tomonidan yaratilgan InfoMaster 7-sinf Matematika 4-chorak Testni Mamadoliyev Diyorbek tayyorladi. 1 / 25 Kasrlarni ko‘paytiring: A) ad/bc B) ab/cd C) 2ac/bd D) ac/bd 2 / 25 Kasrni qisqartiring: A) -1 B) 10x-4y C) (4x-10y)/(10x-4y) D) ½ 3 / 25 Umumiy ko‘paytuvchilarni qavsdan tashqariga chiqaring: 72a2-36a A) 2a(a-1) B) 2a(2a-1) C) 72a(a-36) D) 36a(2a-1) 4 / 25 Ifodani soddalashtiring va yig‘indini toping: A) 2m+2n B) 2m+n C) 2n+m D) 3m+2n 5 / 25 Quyidagi kasrlar uchun umumiy mahrajni toping: 2b/(a+2) va 3/(a*a+4a+4) A) 2(a+2)² B) (a-2)² C) 2(a+2) D) (a+2)² 6 / 25 a=20, b=15 bo‘lganda algebraik kasrning son qiymatini toping? A) 4 B) 6 C) 7 D) 5 7 / 25 Quyidagi mashqda ikkihadning kvadratini ko‘phad shaklida yozing:(a-b)2 A) a²-3ab+b² B) a²-2ab+b² C) a²-6ab+3b² D) a²+2ab+b² 8 / 25 Kasrni qisqartiring: A) 3a/b B) 3 C) 3a²b D) 8a²b 9 / 25 To`g`ri chiziqning ixtiyoriy nuqtasidan unga nechta perpendikulyar to`g`ri chiziq o`tkazish mumkin ? A) istalgancha B) 2 C) 5 D) 1 10 / 25 Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan ikkitasining yig`indisi 1200. Bu burchaklarni toping A) 45gradus, 75gradus B) 15gradus , 105gradus C) 60gradus , 60gradus D) 30gradus , 90gradus 11 / 25 Teng yonli uchburchakning perimetri 48 ga teng. Uning tomonlaridan biri 12 ga teng bo`lsa, qolgan tomonlarini toping A) 18; 18 B) 16; 16 C) 12; 12 D) 18; 24 12 / 25 Uchburchakning bir uchidan shu uchining qarshisidagi tomonga tushirilgan perpendikulyar nima deb ataladi A) to`g`ri javob yo`q B) balandlik C) bissektrisa D) mediana 13 / 25 Uchburchakning bir uchi va shu uchining qarshisidagi tomon o`rtasini tutashtiruvchi kesma nima deb ataladi A) balandlik B) bissektrisa C) mediana D) to`g`ri javob yo`q 14 / 25 n ning qanday qiymatida tenglik to`g`ri bo`ladi: A) 1 B) 2 C) 3 D) 8 15 / 25 Algebraik ifodaning qiymatini toping: 3a + 2b, bunda a = 3, b = -5. A) 4 B) 19 C) 0 D) -1 16 / 25 Teng yonli uchburchakning asosining uzunligi a ga teng bo`lib, u yon tomonlaridan 5 ga ortiq. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing. A) 3a -10 B) 3a +5 C) 3a D) 3a + 10 17 / 25 Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 250 gradus ga teng. Burchaklardan kichigini toping. A) 35° B) 50° C) 70° D) 40° 18 / 25 Tenglamani yeching: (3x - 4) - (6 - 2x) = 3. A) 13 B) 1,2 C) 3,8 D) 2,6 19 / 25 Agar qo`shni burchaklar gradus o`lchovlari nisbati 4:5 bo`lsa, ularni toping. A) 70gradus; 110gradus B) 80gradus; 100gradus C) 40gradus; 140gradus D) 60gradus; 75gradus 20 / 25 To`rtburchak ichki burchaklari yig`indisi necha gradusga teng ? A) 180° B) 360° C) 270° D) 540° 21 / 25 Hisoblang: 139∙15 + 18∙139 + 15∙261 + 18∙261. A) 1320 B) 1324 C) 13200 D) 132400 22 / 25 Soddalashtiring: (c-3)2 – (c+3)(3-c) A) 2c²–6c+18 B) 0 C) 2c²– 6c D) -6c 23 / 25 Tenglamaning ildizlarini toping: x2 – 49 = 0. A) 7 B) 49 va – 49 C) 7 va -7 D) -7 24 / 25 Ko`paytuvchilarga ajrating: 16a2 – 81. A) (4a – 9)² B) (16a – 81)(16a +81) C) (4a-9)(4a+9) D) (4a-3)(4a+3) 25 / 25 Algebraik kasrning son qiymatini toping: (a-b)/(a+2b), bunda a=16, b= -3. A) 13/22 B) 1.9 C) 1.3 D) 1.6 0% Testni qayta ishga tushiring Baholash mezoni 86%-100% 5 baho 71%-85% 4 baho 56%-70% 3 baho 55% va kamiga 2 baho Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
