Test-2019 1-Variant
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- 3 – Variant.
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GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly
1. Agar A={a,b,c,d} to’plam berilgan. Unda 𝐵 ⊂ 𝐴; 𝐵 ≠ 𝐴; 𝐵 ≠ ∅ bo’lsa, nechta har xil B to’plam mavjud? A) 16 B) 14 C) 8 D) 6
2. G‘ildirak 4 minutda 18,4 marta aylansa, 15 minutda necha marta aylanadi? A) 69 B) 80 C) 276 D) 68
3. Agar a+b 6 ga qoldiqsiz bo’linsa, 37a+19b ni 6 ga bo’lgandagi qoldiqni toping? A) 1 B) 3 C) 0 D) 5
4. Aniq integralni hisoblang: ∫ (𝑥 2 + 𝑥 + 1) 3 ∙ (2𝑥 + 1)𝑑𝑥 1 0
A) 18 B) 20 C) 24 D) 16
5. Ikkita parallel to’g’ri chiziqlarda biridan 5 ta va ikkinchisidan 4 ta nuqta belgilangan. Uchlari bu nuqtalarda bo’lgan nechta uchburchak yasash mumkin? A) 40 B) 30 C) 70 D) 120 6. Quyidagi shaklning necha foizi bo’yalgan?
A) 25 B) 24 C) 30 D) 6
7. Hisoblang: 4(𝑡𝑔435° − 𝑡𝑔375°) ∙ 𝑠𝑖𝑛 2 70° ∙ 𝑠𝑖𝑛 2 50° ∙ 𝑠𝑖𝑛 2 10°
𝑠𝑖𝑛120°
A) 0,25 B) 0,5 C) 0,75 D) 1 8. Aniqmas integralni hisoblang: ∫ 𝑥 ∙ 𝑠𝑖𝑛2𝑥𝑑𝑥 A) −
𝑥 2 𝑐𝑜𝑠2𝑥 − 1 4 𝑠𝑖𝑛2𝑥 + 𝐶 B) −
𝑥 2 𝑐𝑜𝑠2𝑥 + 1 4 𝑠𝑖𝑛2𝑥 + 𝐶 C) −
𝑥 2 𝑐𝑜𝑠2𝑥 − 1 2 𝑠𝑖𝑛2𝑥 + 𝐶 D) −
𝑥 2 𝑐𝑜𝑠2𝑥 + 1 2 𝑠𝑖𝑛2𝑥 + 𝐶
9. Ushbu 35 17 − 77 19 + 70 23 son qaysi oraliqqa tegishli? A) (2;3) B) (0;1) C) (1;2) D) (3;4)
10. Uchta tengdosh silindrning balandliklari 9:4:1 kabi nisbatda bo’lsa, uning asoslari qanday nisbatda bo’ladi? A) 1:4:9 B) 1:16:81 C) 36:9:4 D) 4:9:36 GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 11. 𝑦 = 𝑙𝑛(5𝑥 + 1) 3 − 𝑙𝑛(3𝑥 + 1) 5 + 3
funksiyaga (𝑥 0 ; 𝑦
0 ) nuqtasidan o’tkazilgan urinma abscissa o’qiga parallel bo’lsa, √𝑥 0 2
0 2
ning qiymatini toping.
A) 5 B) 3 C) 4 D) 8
12. 7 ∙ 17 5 ni 4 ga bo’lgandagi qoldiqni toping? A) 0 B) 1 C) 2 D) 3
13. ABC uchburchakning AB va BC tomonlari 6 va 8 ga teng va B burchak bisektrissasi AC tomonni D nuqtada kesib o’tadi. 𝐴𝐶 𝐴𝐷 ni toping. A)
4 3 B) 3 4
C) 7 3 D) 7 4
14. n+3; n+9; n+15;… ketma – ketlikning 11 hadi 64 ga teng bo’lsa, uning to’rtinchi hadini toping. A) 17 B) 16 C) 21 D) 22
15. Tenglamani yeching: 𝑠𝑖𝑛5𝑥 − 𝑐𝑜𝑠2𝑥 = 0
A) 𝜋
+ 2𝜋𝑛
7 ;
𝜋 6 + 2𝜋𝑛 3
B) 𝜋 14 + 𝜋𝑛 7 ; 𝜋 6 + 𝜋𝑛 3 C)
𝜋 7 + 2𝜋𝑛 7 ; 𝜋 3 + 2𝜋𝑛 3
D) 𝜋 7 + 𝜋𝑛 7 ; 𝜋 3 + 𝜋𝑛 3 16. ABC uchburchakning AE va BF medianalari D nuqtada kesishadi va DFE uchburchakning yuzi 4,5 ga teng bo’lsa, ABC uchburchakning yuzini toping. A) 27 B) 36 D) 45 D) 54
17. Soddalashtiring: (x>0) √ 9−4√5
5𝑥 4 ∙ (5√𝑥 + √20𝑥) 0,5 ∙ 2
−1
A) 1 B) 0,5 C) 2,5 D) 0,25
18. 12𝑎
2 + 11𝑎 − 15 ni ko’paytuvchilarga ajrating. A) (3𝑎 − 5)(4𝑎 + 3) B) (4𝑎 − 5)(3𝑎 + 3) C) (3𝑎 + 5)(4𝑎 − 3) D) (4𝑎 + 5)(3𝑎 − 3)
19. Merganning bitta otgan o’qining nishonga tegishi ehtimoli 0,6 ga teng bo’lsa, otilgan ikkita o’qning bittasi nishonga tegishi ehtimolini toping. A) 0,6 B) 0,36 C) 0,24 D) 0,48
20. Konusning balandligi 5ga, yasovchisi √34 ga teng. Yon sirtidan asosining markazigacha eng qisqa masofadagi nuqtalardan asosiga parallel tekislik o’tkazilgan.Hosil bo’lgan kesim yuzining konus asosi yuziga nisbatini toping. A) 125
1156 B) 625 1156
C) 25 34 D) 3 4
GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 21. Tengsizlikni yeching:
𝑥−3
√9𝑥+18−2𝑥 2 ≤ 0 A) (-1,5; 6) B) (-1,5; 3] C) [3;6) D) (−∞; 3]
22. Hisoblang: 512∙(2 6 ) 4 (2 5 ) 5 ∙64 ∙ (4 −2 ) −2 ∙ 8
−4
A) 1 B) 0,5 C) 0,25 D) 0,75 23. x ning qanday qiymatida 𝑓(𝑥) = √ 3 7−𝑥 funksiyaning qiymati 1 ga teng bo’ladi? A) 2 B) 3 C) 4 D) 5
24. Tengsizlikni yeching: 𝑙𝑜𝑔 2 2 𝑥 − 3 < 2𝑙𝑜𝑔 2 𝑥 A) (0; 1) ∪ (8; ∞) B) ( 1 2
C) (
1 8 ; 2) D) (8; +∞)
25. Markazi (0;0) nuqtada bo’lgan aylanadagi A(0;2) nuqtani soat yo’nalishiga teskari yo’nalishda 30° ga burganda hosil bo’lgan nuqtaning koordinatalari yig’indisini toping. A) −1 − √3 B) −1 + √3 C) 1 + √3 D) 1 − √3
5 ga teng va unga shar ichki chizilgan. Sharning sirti toping. A) 196𝜋 B) 10𝜋 C) 40𝜋 D) 80 𝜋 27. AB kesma p tekislikni kesib o’tadi.A uchidan tekislikkacha masofa 13ga, B uchidan esa 12 ga teng bo’lsa, AB dan tanlangan va AB ni 3:2 kabi nisbatda bo’luvchi C nuqtadan tekislikgacha bo’lgan masofani toping. A) 5 B) 4 C) 3 D) 2
28. Teng yonli uchburchak perimetri 80 sm. Teng tomonlar o’rtasini tutashtiruvchi kesma 15 sm. Uchburchakka ichki chizilgan aylana radiusini toping. A) 3,75 B) 7,5 C) 15 D) 30
29. ABCD parallelogrammning AB tomonidan N nuqta shunday tanlanganki AND uchburchak va BCDN to’rtburchakning yuzalarining nisbati 5:12 kabi bo’lsa, AN:NB nimaga teng? A) 10:7 B) 5:7 C) 7:10 D) 12:7
30. ABCD to’g’ri to’rtburchakda A burchak bisektrissasi BC tomonni B uchidan hisoblaganda 2 va 2,5 ga teng qismlarga ajratadi. Hosil bo’lgan to’g’ri burchakli trapetsiyaning yuzini hisoblang. A) 7 B) 5 C) 9 D) 6,5
GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly
1. Quyidagi shaklning necha foizi bo’yalgan?
A) 33 1 3 B) 33 C) 25 D) 66 2 3
2. Soddalashtiring: (𝑥−1)! (𝑥−4)!
− (𝑥+1)!
(𝑥−2)!
A) 6(𝑥 − 1) 2 B) −6(𝑥 − 1) 2
2 D) −6(𝑥 + 1) 2
3. Ikkita parallel to’g’ri chiziqlarda biridan 4ta va ikkinchisidan 3 ta nuqta belgilangan. Uchlari bu nuqtalarda bo’lgan nechta uchburchak yasash mumkin? A) 24 B) 32 C) 24 D) 30
4. ABC uchburchakning AB va BC tomonlari 6 av 8 ga teng va B burchak bisektrissasi AC yomonni D nuqtada kesib o’tadi. 𝐷𝐶 𝐴𝐷 ni toping. A)
4 3 B) 3 4 C) 7 3 D) 7 4
5. 9 ∙ 17 5 ni 7 ga bo’lgandagi qoldiqni toping? A) 0 B) 1 C) 2 D) 3 6. Agar a; a+6; a+14 tub sonlar bo’lsa, a ni toping. A) 3 B) 5 C) 7 D) 11
7. Merganning bitta otgan o’qining nishonga tegishi ehtimoli 0,9 ga teng bo’lsa, otilgan ikkita o’qning bittasi nishonga tegishi ehtimolini toping. A) 0,9 B) 0,18 C) 0,36 D) 0,81
8. Soddalashtiring: 𝑠𝑖𝑛2𝛼
1+𝑐𝑜𝑠2𝛼 ∙ 𝑐𝑜𝑠𝛼 1+𝑐𝑜𝑠𝛼 − 1−𝑐𝑜𝑠𝛼 𝑠𝑖𝑛𝛼
A) -1 B) 0 C) 1 D) 𝑠𝑖𝑛𝛼 9. Tengsizlikni yeching: 3 𝑥+2
−81 3 𝑥+1 −9 ≥ 3
A) (−∞; 1) B) (−∞; −1] C) (1; +∞) D) (−1; +∞)
10. Hisoblang: (2 + √4 − 2√3) 2 − 4
A) √3 B) 3 C) 2√3 D) 1
11. . Qavslarni ochib chiqing: (−6𝑎 − 5𝑏) − (−4𝑏 − 7𝑎)
A) a+b B) –a-b C) a-b D) b-a 12. Tenglamani yeching: (1 − 1
) ∙ (1 − 1 5 ) ∙ … ∙ (1 − 1 8 ) ∙ (1 − 1 9 ) ∙ 𝑥 = 2 2 3 A)
8 15 B) 8 C) 4 D) 9 GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 13. ABC uchburchakning AE va BF medianalari D nuqtada kesishadi va DFE uchburchakning yuzi 2,5 ga teng bo’lsa, ABC uchburchakning yuzini toping. A) 25 B) 20 C) 30 D) 60
14. a va b ratsional sonlar uchun 𝑎 + √2 2 𝑏 = 5 tenglik o’rinli bo’lsa, 𝑎 2
2 ning qiymatini hisoblang. A) 25 B) 17 C) 21 D) 15
15. Tengsizliklar sistemasini yeching: { 𝑙𝑜𝑔
1 2 (𝑥 − 3) 2 > −2
(𝑥 − 2) 2 ≥ 4 A) (1;5) B) (1;4] C) (4;5] D) [4;5)
16. Markazi (0;0) nuqtada bo’lgan aylanadagi A(0;2) nuqtani soat yo’nalishiga teskari yo’nalishda 60° ga burganda hosil bo’lgan nuqtaning koordinatalari yig’indisini toping. A) −1 − √3 B) −1 + √3 C) 1 + √3 D) 1 − √3
17. a sonning 24 foizi 40 ning 3 5 qismiga teng bo’lsa, a soni 15 dan qanchaga ko’p?
A) 75 B) 65 C) 85 D) 95
18. ∫ (𝑥 2 − 𝑥 + 1)
3 (2𝑥 − 1)𝑑𝑥 2 1
integralni hisoblang. A) 10 B) 15 C) 20 D) 25 19. [1;200] oraliqda 4 ga bo’linib, 6 ga bo’linmaydigan natural sonlar nechta? A) 18 B) 50 C) 34 D) 32
20. Yuzasi 72 ga teng bo’lganABCD parallelogrammda BC tomonda E va CD tomon F nuqtalar shunday tanlanganki, ular bu tomonlarni C uchidan boshlab hisoblaganda 2:1 kabi nisbatda bo’ladi .Hosil bo’lgan AEF uchburchakning yuzasini hisoblang. A) 40 B) 42 C) 30 D) 32
21. Aniqmas integralni hisoblang: ∫ 𝑑𝑥 (9+𝑥 2 )𝑎𝑟𝑐𝑡𝑔
4 ( 𝑥 3 )
A) −
1 9𝑎𝑟𝑐𝑡𝑔
3 ( 𝑥 3 ) + 𝐶 B) − 1 3𝑎𝑟𝑐𝑡𝑔 3 ( 𝑥 3 ) + 𝐶 C)
1 9𝑎𝑟𝑐𝑡𝑔
3 ( 𝑥 3 ) + 𝐶 D) 1 3𝑎𝑟𝑐𝑡𝑔 3 ( 𝑥 3 ) + 𝐶
22. 17 3𝑥 2 + 75𝑥
2 17 ifodaning eng kichik qiymatini toping. A) 25 B) 5 C) 10 D) 17
23. Kesik konus asosining radiuslari 2 va 5 ga teng va unga shar ichki chizilgan. Kesik konus yon sirtini yuzasini toping. A) 196𝜋 B) 100𝜋 C) 49𝜋 D) 98 𝜋 24. Uchta tengdosh silindrning balandliklari 9:1:4 kabi nisbatda bo’lsa, uning asoslari qanday nisbatda bo’ladi? A) 1:4:9 B) 1:16:81 C) 36:9:4 D) 4:36:9 GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 25. 𝑎⃗(𝑥; 2) 𝑣𝑎 𝑏⃗⃗(𝑦; −5) vektorlar kollenear bo’lsa, 2𝑥𝑦 − 25 ning qiymatini hisoblang. A) 5 B) 0 C) -5 D) 10
26. Silindrning o’q kesimi dioganali 17 ga, yasovchisi 15 ga teng bo’lsa, silindr asosi radiusini toping. A) 3 B) 4 C) 6 D) 8
27. ABCD parallelogrammning AB tomonidan N nuqta shunday tanlanganki AND uchburchak va BCDN to’rtburchakning yuzalarining nisbati 5:12 kabi bo’lsa, AN:NB nimaga teng? A) 10:7 B) 5:7 C) 7:10 D) 12:7
28. Rasmda ABC uchburchak va uning BD, CE bisektrissalari tasvirlangan. Berilgan ma’lumotlarga ko’ra 𝛼 necha gradus?
A) 135,5° B) 112,5° C) 122,5° D) 105,5°
29. Yuzi 4√3 ga teng bo’lgan teng yonli uchburchakning asosidagi burchagi 30° ga teng bo’lsa, asosiga tushirilgan balandlikni toping. A) √3 B) 1,5 C) 2 D) 3 30. 𝐴𝐵𝐶𝐷𝐴 1 𝐵 1 𝐶 1 𝐷 1 To’g’ri burchakli parallelepiped berilgan.AB=8, BC=2, 𝐵𝐵 1 = 6 𝐴𝐵𝐶𝐷𝐵
1 𝐶 1 ko’pyoqli figuraning to’la sirtini yuzini toping. A) 48 B) 72 C) 96 D) 120
1. n+3; n+9; n+15;… ketma – ketlikning 11 hadi 63 ga teng bo’lsa, uning to’rtinchi hadini toping. A) 17 B) 16 C) 21 D) 22
2. Merganning bitta otgan o’qining nishonga tegishi ehtimoli 0,8 ga teng bo’lsa, otilgan ikkita o’qning bittasi nishonga tegishi ehtimolini toping. A) 0,8 B) 0,16 C) 0,32 D) 0,64
3. Tengsizlikni yeching: (2𝑥−𝑥
2 −4)(𝑥+3)
𝑥 2 −9 > 0
A) (−∞; −3) B) (−∞; 3) C) (−3; 3) D) (−∞; −3) ∪ (−3; 3)
4. ABC uchburchakning AE va BF medianalari D nuqtada kesishadi va DFE uchburchakning yuzi S ga teng bo’lsa, ABC uchburchakning yuzini toping. A) 6S B) 5S C) 9S D) 12S
GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 5.
a va b ratsional sonlar uchun 𝑎 +
√2 2 𝑏 = 4 tenglik o’rinli bo’lsa, 𝑎 2 + 𝑏 2 ning qiymatini hisoblang. A) 9 B) 12 C) 16 D) 8
6. a (-2;2) oraliqda bo’lsa, |𝑎 2 −16| 4−𝑎
− |𝑎 2 −9| 3+𝑎
− |4−𝑎
2 | 2−𝑎 ni soddalashtiring. A) a-1 B) 0 C) a+1 D) 1-a
7. Markazi (0;0) nuqtada bo’lgan aylanadagi A(0;2) nuqtani soat yo’nalishiga teskari yo’nalishda 45° ga burganda hosil bo’lgan nuqtaning koordinatalari yig’indisini toping. A) 2√2 B) 0 C) 1 + √2 D) −2√2
8. 𝑦 = 𝑥
2 − 4𝑥 + 3
funksiyani absissa o’qiga nisbatan simmetrik ko’chirishdan hosil bo’lgan funksiyani toping. A) 𝑦 = 𝑥
2 + 4𝑥 + 3
B) 𝑦 = 𝑥
2 + 4𝑥 − 3
C) 𝑦 = −𝑥 2 − 4𝑥 + 3
D) 𝑦 = −𝑥 2 + 4𝑥 − 3
9. 7 ta odamdan 4 ta, tanlangan 4 ta odamdan 2 ta odamni tanlab necha xil usulda guruhlash mumkin? A) 56 B) 420 C) 840 D) 210 10. Aniqmas integralni hisoblang. ∫ 1 𝑥𝑙𝑛 3 𝑥 𝑑𝑥 A) −
1 𝑙𝑛 2 𝑥 + 𝐶
B) − 1 2𝑙𝑛 2 𝑥 + 𝐶 C) −
1 6𝑙𝑛
2 𝑥 + 𝐶 D) − 3 𝑙𝑛 2 𝑥 + 𝐶
11. Tenglamani yeching: 𝑙𝑜𝑔 2 (3 − 𝑥) + 𝑙𝑜𝑔 2 (1 − 𝑥) = 3
A) -1 B) 5 C) -1; 5 D) ∅ 12. Tengsizlikni yeching: √𝑥 2
𝑥 + 5
4−𝑥 − 130) ≤ 0
A) [1;3] B) (−∞; −3] ∪ [2; ∞) C) [-3;2] D) [2;3]
13. Tenglamani yeching: 𝑥 2 = 3 + 𝑥 5 A) 10 B) 5 C) 2 D) 3
14. 𝑦 = ln ( 5𝑥+6 2𝑥+15
) + 1 7 funksiyaning hosilasining x=3 dagi qiymatini toping. A) 2
B) 1 7 C)
3 7 D) 4 7
15. Hisoblang: 3,6 ∙ 4,8 + 5,4 ∙ 3,6 + 4,8 ∙ 9,2 − 4,8 ∙ 5,6
A) 36 B) 48 C) 54 D) 92 GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 16. ∫ 𝑥𝑠𝑖𝑛3𝑥𝑑𝑥 aniqmas integralni hisoblang. A) −
1 3 𝑥𝑐𝑜𝑠3𝑥 + 1 9 𝑠𝑖𝑛3𝑥 + 𝐶 B)
1 3 𝑥𝑐𝑜𝑠3𝑥 + 1 3 𝑠𝑖𝑛3𝑥 + 𝐶 C) −
1 3 𝑥𝑐𝑜𝑠3𝑥 − 1 9 𝑠𝑖𝑛3𝑥 + 𝐶 D) −
1 3 𝑥𝑐𝑜𝑠3𝑥 + 𝑠𝑖𝑛3𝑥 + 𝐶
17. 𝑦 = 𝑠𝑖𝑛𝑥 2 − 3 funksiyaning qiymatlar sohasini toping. A) [-4;-2] B) [- 0,5; 0,5] C) [-3,5; -2,5] D) (-4,5; -3,5)
18. |𝑥| + |𝑦 − 1| ≤ 4 chegaralagan soha yuzini toping. A) 16 B) 12 C) 32 D) 48
19. Hisoblang: (𝑡𝑔 11𝜋 36 + 𝑡𝑔 7𝜋 36 ) ∙ 𝑐𝑜𝑠 𝜋 9 − 2 A) -2 B) 0 C) 2 D) 1
20. Tenglamaning ildizlari yig’indisini toping: ( |𝑥|+𝑥 𝑥−3 ) 2 − 14𝑥
𝑥−3 + 12 = 0
A) -9 B) -12 C) -3 D) 15
21. {
𝑙𝑜𝑔 1 2 (𝑥 + 1) 2 > −2 (𝑥 − 1) 2 ≤ 9 tengsizliklar sistemasi nechta butun yechimga ega? A) 0 B) 1 C) 2 D) 3 23. ABCD parallelogrammda D o’tmas burchak. E nuqta AB tomonda yotadi. BCDE to’rtburchak yuzining DAE uchburchak yuziga nisbati 6:3 kabi bo’lsa, AE:EB nisbatni toping. A) 3:2 B) 3:1 C) 2:1 D) 5:4
24. To’g’ri burchakli trapetsiyaning yon tomonlari 6 va 12 ga teng.Agar trapetsiyaning kichik diogonali katta yon tomoniga teng bo’lsa, trapetsiyaning o’rta chizig’ini toping. A) 9 B) 9√3 C) 12√3 D) 6√3
25. To’g’ri konusning balandligi 9 cm va asos radiusi 5 cm. Uning yon sirtida joylashgan asosining markaziga eng yaqin nuqtalardan asosiga parallel tekislik o’tkazildi. Hosil bo’lgan kesik konusning kichik asosi radiusini toping. A)
53 14 B) 221 56 C) 405 106
D) 45 14
26. Teng yonli uchburchakning perimetri 64 cm ga teng. Agar teng tomonlarining o’rtalarini tutashtiruvchi kesma uzunligi 12 cm bo’lsa, uchburchakka ichki chizilgan aylananing diametrini toping. A) 9 B) 12 C) 6 D) 8
27. Silindrning o’q kesimining diogonali 15 ga, balandligi 12 ga teng bo’lsa, asosi radiusini toping. A) 4,5 B) 2√3 C) 3√2 D) 9
GULISTON – 2019 MATEMATIKAFLY MADINABONU O’QUV MARKAZI Telegramdagi manzilimiz: https://telegram.me/matematikafly 28. Kesik konusga shar ichki chizilgan. Konusning radiuslari 3 va 5 ga teng bo’lsa, uning yon sirtini toping. A) 100𝜋 B) 64𝜋 C) 81𝜋 D) 36𝜋
29. Uchburchakning tomonlari 12;3 va x ga teng. Quyidagilardan qaysi biri x ga teng bo’la olmaydi? A) 12 B) 10 C) 11 D) 8
30. To’g’ri parallelepiped bir uchidan chiqqan tomonlari uchun 1 𝑎 + 1 𝑏 + 1 𝑐 = 3 5 tenglik o’rinli bo’lib, to’la sirti 288 ga teng. Parallelepipedning hajmini toping. A) 150 B) 180 C) 230 D) 240
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