Uy » Choraklik online testlar » Matematika choraklik » 7-sinf Matematika 3-chorak Matematika choraklik 7-sinf Matematika 3-chorak InfoMaster Aprel 7, 2021 1725 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 5 0 OMAD YOR BO'LSIN! Tomonidan yaratilgan InfoMaster 7-sinf Matematika 3-chorak Testni Mamadoliyev Diyorbek tayyorladi. 1 / 25 Soddalashtiring: (c-3)2 – (c+3)(3-c) A) -6c B) 2c²– 6c C) 0 D) 2c²–6c+18 2 / 25 Ko`paytuvchilarga ajrating: 16a2 – 81. A) (4a – 9)² B) (4a-9)(4a+9) C) (4a-3)(4a+3) D) (16a – 81)(16a +81) 3 / 25 Agar uchburchakning ikkita burchagi 400 va 300 ga teng bo`lsa, uning uchinchi burchagiga qo`shni burchagini toping A) 120° B) 110° C) 100° D) 70° 4 / 25 To`rtburchak ichki burchaklari yig`indisi necha gradusga teng ? A) 180° B) 540° C) 270° D) 360° 5 / 25 Kasrlarning yig`indisini toping: A) (b+c)/abc B) 2b/ab²c C) 2/ab²c D) (a+c)/abc 6 / 25 Hisoblang: 139∙15 + 18∙139 + 15∙261 + 18∙261. A) 13200 B) 1320 C) 1324 D) 132400 7 / 25 Ko`paytuvchilarga ajrating: 3a3 – 3. A) 3(a-1)(a²- a-1) B) 3 (a-1)(a+1) C) 3(a-1)(a²-a+1) D) 3(a-1)(a²+a+1) 8 / 25 x ni shunday birhadga almashtiringki, natijada ikkihadning kvadrati hosil bo`lsin: a2 – 6ab + x A) 36b² B) 9b² C) b² D) 3b 9 / 25 Hisoblang: 26∙(4/3)−(4/3)∙23 A) 2 B) 4/3 C) 3 D) 4 10 / 25 Uchburchakning bir uchi va shu uchining qarshisidagi tomon o`rtasini tutashtiruvchi kesma nima deb ataladi A) mediana B) bissektrisa C) to`g`ri javob yo`q D) balandlik 11 / 25 Birhadning son qiymatini toping: bunda y=-15, x=6 A) -1 B) 18 C) 3 D) 12 12 / 25 Hisoblang: A) 25 B) 625 C) 5 D) 1 13 / 25 Ko`phadning son qiymatini toping: x2 +2xy +y2, bunda x = 1,2, y = -1,2. A) 5,76 B) 2 C) 0 D) 1 14 / 25 Teng yonli uchburchakning asosi yon tomonidan 3 birlikka kam, perimetri 36 ga teng bo`lsa uchburchakning yon tomonini toping. A) 10 B) 13 C) 8 D) 12 15 / 25 Algebraik ifodaning qiymatini toping:, bunda a = 10, b = -5 A) 250 B) -1250 C) -50 D) 0 16 / 25 Birhadning son qiymatini toping:, bunda y = -15, x = 6. A) 1 B) 12 C) 3 D) 18 17 / 25 a sonni shunday tanlangki, 3x - 4 = a - 2x tenglama x = 1 ildizga ega bo`lsin A) 1 B) -9 C) 5 D) 0 18 / 25 Tenglik shaklida yozing: a va b sonlari yig`indisining ikkilangani ularning ko`paytmasiga teng. A) a + b = 2 • a • b B) 2∙(a+b) = 2a • b C) a + b • 2 = a • b D) 2∙(a+b) = a • b 19 / 25 Algebraik ifodaning qiymatini toping: 3a + 2b, bunda a = 3, b = -5. A) -1 B) 4 C) 0 D) 19 20 / 25 Burchak bissektrisasi uning tomoni bilan 41°li burchak hosil qiladi. Berilgan burchakni toping. A) 82° B) 59 ° C) 49° D) 139° 21 / 25 Tenglamani yeching: 12x - 48 = 5x +1. A) -49/17 B) 3 C) 1 D) 7 22 / 25 Tenglamani yeching: 0,04x = 4 A) 10 B) 0,016 C) 0,16 D) 100 23 / 25 Tenglamani yeching: A) 21 B) -3/5 C) -4,2 D) 3/5 24 / 25 O`xshash hadlarni ixchamlang: 3,4 a - b - 1- 1,4a + 3b. A) 2a +2b -1 B) 4,8 a +4b -1 C) 4,8a + 2b - 1 D) 2a -4b -1 25 / 25 Bo`yi enidan 3 marta katta bo`lgan to`g`ri to`rtburchakning perimetri 120 sm ga teng. Shu to`g`ri to`rtburchakning bo`yini toping. A) 15 sm B) 60 sm C) 45 sm D) 90 sm 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
