Algebra vii-sinf. I-chorak test. A-variant
Algebra VII-sinf. III-chorak testi.B-variant
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7-sinf-uchun-Algebradan-4-variantli-testlar (1)-converted
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- Algebra VII-sinf. III-chorak testi.C-variant
- Algebra VII-sinf. III chorak testi. D -variant
- Algebra VII-sinf. IV-chorak testi.A-variant
- Algebra VII-sinf. IV-chorak testi.B-variant
- Algebra VII-sinf. IV-chorak testi.C-variant
- Algebra VII-sinf. IV-chorak testi.D-variant
- Algebra VII-sinf. Yillik monitoring testi
Algebra VII-sinf. III-chorak testi.B-variantIfodani soddalashtiring; (18a4 + 21a2) :3a2-5a(2a+1/a) #1 4a2=2 #2 16 a2+12 #3 -4a2+2 #4 6a2-5a+4,5 #5 -4a2+12 Yuzi 1ga, eni 1m bo'lgan yo'lakning uzunligi necha metr? #1 1000 m#2 100 m #3 10000 m #4 100000 m#5 10 m a2 -9 nimaga teng? #1 a2 -18a+9#2 a2 +18a-9#3 (a-3)(a+3)#4 a2 +18a+9#5 (a+3)(a+3) Ko'paytuvchilarga ajrating: 4(x-y)+3(x-y)2 #1 (x-y)(4+3(x-y))#2 (x+y)(4+3(x-y))#3 (x-y)(4-3(x-y))#4 (x-y)(4-3(x+y))#5 (x+y)(4+3(x+y)) 5. (z+5)(z2 -5z+25)=? #1 z3 +53#2 z3 -53#3 z3 +25#4 z3 -25#5 z3 6. Hisoblang: 16,92-16,9.3,7-16,9.3,2 #1 169 #2 1,69 #3 16,9 #4 -1,69 #5 -16,9 7. Ifodaning son qiymatini toping: a3-a2b-3a+3b , bunda a=2,5; b=-1,5 #1 3,25 #2 13 #3 -13 #4 5 #5 -3,25 8.1 8 * 13 5 : 8 ifodani hisoblang. #1 #2 #3 #4 #5 13 42 7 21 27a 2 36ab 12b2 Kasrni qisqartiring: 3(3a 2b) 9a 2 4b2 3a 2b 39 36ab 3a 2 36ab 3b2 3a 2b #1 3a 2b #2 3a 2b #3 5 #4
#5 3a 2b Algebraik ifodaning son qiymatini toping: (10a4+15a3):5a2-18a3:(-6a), bunda a= - #1 -15,75 #2 6,75 #3 15,75 #4 -12 #5 18 11. Hisoblang: #1 1 #2 #3 10 #4 #5 2 Ko’paytuvchilarga ajrating: 6(a+b)+(a+b)2 #1 (a+b)(6+a+b) #2 (x-y)(4+3x-3y) #3 (a-b)(1+a-b) #4 (a-b)(a-b+1) #5 (x+y)(4x-2y) Ko’paytuvchilarga ajrating: 3(x+y)(x-y)+(x+y)2 #1 (a+b)(6+a+b) #2 (x-y)(4+3x-3y) #3 (a-b)(1+a-b) #4 (a-b)(a-b+1) #5 (x+y)(4x-2y) Ko’paytuvchilarga ajrating: (y+z)(12x2+6x)+(y-z)( 12x2+6x) #1 (a-b)(6a-4b) #2 (x+y)2y #3 (a-b)2(a-1) #4 (12x2+6x)2y #5 (y-z)24x2 Ifodani soddalshtiring: 24y2-(7y-2)2+(5y-3)(5y+1) #1 -8x2+20x+8 #2 18y-7 #3 -19y+6 #4 16x+2 #5 -11x2+34x-51 Kasrni qisqartiring: #1 #2 #3 #4 #5 Kasrni qisqartiring: #1 #2 #3 #4 #5 Bo’lishni bajaring: (5a2b4-ab6): (5ab4) #1 2a-3b2 #2 2a-1,5 #3 2a-1,5b2 #4 a- b2 #5 3-1,5ab2 Ifodani soddalashtiring: (3x3-2x2y):x2-(xy2+x2y): ( ) Algebraik ifodaning qiymatini toping: (15a3+25a2):(5a) -9a4:(3a2), bunda a=8 Algebraik ifodaning qiymatini toping: (18a4-27a3):(9a2)-10a3:(5a) , bunda a= -8 Algebraik ifodaning qiymatini toping: (18a4-27a3):(9a2)-10a3:(5a) , bunda a= 8 Algebraik ifodaning qiymatini toping: (3x3+4x2y):x2-(10xy+15y2):(5y), bunda x= -2, y= -5 Algebraik ifodaning qiymatini toping: (2xy2-5y3):y2+(12xy+6x2):(3x) , bunda x= 3 , y= 2 Amallarni bajaring va ifodani son qiymatini toping: (-0,25a3b2c)*(4abc) , bunda a=1 , b= 0 , c=1 Algebra VII-sinf. III-chorak testi.C-variantKo’phadlarni ko’paytiring: (a+2b)(a-2b)(a2+4b2) #1 a3-16b3 #2 a4-8b3 #3 a3-8b3 #4 a4+16b4 #5 a4-16b4 75kg ni tonnada ifodalang. #1 0,057t#2 0,0075t#3 0,075t #4 7,5t #5 0,75t 3. (7+x)(x-7)=? #1 x2 -49#2 x2 +72#3 49+x2#4 x2 +49#5 7x2 +x+72
Ifodani ko'phad shaklida yozing: (a+(b+c))(a-(b+c)) #1 a2 +(b-c)2#2 a2 -(b-c)2#3 a2 -(b+c)2#4 a2 +(b+c)2#5 a+(b-c) Umumiy ko’paytuvchini qavsdan tashqariga chiqaring: 24a3b2 -30a2b3 #1 6a2b2(4a-5b) #2 6ab(4a2b-5ab2) #3 6a2(4ab2-5b2) #4 6b2(4a3-5a2) #5 3a2b(8ab-10b2) 6. Hisoblang: 47,8.1,5+1,8.52,2+52,2.1,5+1,8.47,8 #1 300 #2 330 #3 150 #4 180 #5 230 Tenglamani yeching: (3x+2)2-(3x-4)2=132 #1 4 #2 3 #3 -5 #4 -4 #5 ildizi yo’q Kubning barcha qirralari uzunliklari yig'indisi 36 smga teng. Kub sirti yuzini toping. #1 27sm2 #2 1334sm2 #3 54sm2 #4 36sm2 #5 45sm2 7a 2 (ab2 9a) Kasrni qisqartiring: 7a 2 (ab2 9a) 3a(21a 7ab) a(b 3) 7(ab2 9a) a(b 3) #1 3(21a 7ab) #2 3 #3 3(21 7b) #4 3 #5 –a(b+1) Hisoblang: #1 -3,2 #2 3,2 #3 0,00032 #4 -0,00032 #5 -1 Hisoblang: #1 Ko’paytuvchilarga ajrating: 4(x-y) +3(x-y)2 #1 (a+b)(6+a+b) #2 (x-y)(4+3x-3y) #3 (a-b)(1+a-b) #4 (a-b)(a-b+1) #5 (x+y)(4x-2y) Ko’paytuvchilarga ajrating: 5(a-b)2-(b-a)(a+b) #1 (a-b)(6a-4b) #2 (x+y)2y #3 (a-b)2(a-1) #4 (12x2+6x)2y #5 (y-z)24x2 Ko’paytuvchilarga ajrating: (y-z)(12x2-6x)+(y-z)(12x2+6x) #1 (a-b)(6a-4b) #2 (x+y)2y #3 (a-b)2(a-1) #4 (12x2+6x)2y #5 (y-z)24x2 Ifodani soddalshtiring: (3y+1)(2y-3)+(2y-3)2-10y2 #1 -8x2+20x+8 #2 18y-7 #3 -19y+6 #4 16x+2 #5 -11x2+34x-51 Kasrni qisqartiring: #1 #2 #3 #4 #5 Bo’lishni bajaring: (4a2b-3ab3): (2ab) #1 2a-3b2 #2 2a-1,5 #3 2a-1,5b2 #4 a- b2 #5 3-1,5ab2 Bo’lishni bajaring: (6a2b-3a3 b3): (2a2 b) #1 2a-3b2 #2 2a-1,5 #3 2a-1,5b2 #4 a- b2 #5 3-1,5ab2 Ifodani soddalashtiring: (6a3-3a2):a2+(12a2+9a): (3a) Algebraik ifodaning qiymatini toping: (15a3+25a2):(5a) -9a4:(3a2), bunda a=9 Algebraik ifodaning qiymatini toping: (18a4-27a3):(9a2)-10a3:(5a) , bunda a= 6 Algebraik ifodaning qiymatini toping: (3x3+4x2y):x2-(10xy+15y2):(5y), bunda x=2, y= -5 Algebraik ifodaning qiymatini toping: (3x3+4x2y):x2-(10xy+15y2):(5y), bunda x= 3, y=6 Algebraik ifodaning qiymatini toping: (2xy2-5y3):y2+(12xy+6x2):(3x) , bunda x= 3 , y= -2 Amallarni bajaring va ifodani son qiymatini toping: (-0,25a3b2c)*(4abc) , bunda a=1 , b= 1 , c=2 Algebra VII-sinf. III chorak testi. D -variant1. Quyidagi sonlar ichida eng kichigini toping. #1 0,0050513#2 0,0505#3 0,00550#4 0,055#5 0,55 2. Litrda ifodalang: 45 mm3 #1 0,0045 l #2 0,045 l#3 0,45 l #4 0,000045 l #5 0,00045 l 3. (x4 –y3 )(y3 +x4 )=? #1 x8 –y6 #2 x6 +y6 #3 y6 –x8#4 0#5 y8 –x9 532 272 4. 792 512 Kasrni qisqartiring: #1 #2 #3 #4 #5 Ko’paytuvchilarga ajrating: 5(a-b)+a2(a-b)-3(b-a) #1 (a-b)(a2+2) #2 (a-b)(a2-80 #3 (a-b)(8-a2) #4 (a-b)(a2+8) #5 (b-a)(a2-8) Ko’paytuvchilarga ajrating: ax+bx-3ay-3by #1 (a+b)(x+3y) #2 (a-b)(x+3y) #3 (a-b)(x-3y) #4 (a+b)(x-3y) #5 to’g’ri javob yo’q Tenglamani yeching: 81x2-(4-9x)2=56 #1 -1 #2 1 #3 2 #4 -2 #5 3 #1 1 4 #2 #3 #4 #5 5
9. Kasrni qisqartiring: 24a 4 16a3 3a 2 6a3 4a 2 3a 2 #1 2a-1 #2 2a 1 2a 1 8a3 1 #3 2a 2 1 2a 16a3 1 #4
#5 2a+1
10. Hisoblang: -(-3)3*(- 2 #1 -3 #2 3 #3 -2,7 #4 #5 -9 Birhadning son qiymatini toping: , bunda x=- , y=10 #1 -45 #2 45 #3 -2,5 #4 2,5 #5 5 Ko’paytuvchilarga ajrating: (a-b)+(b-a)2 #1 (a+b)(6+a+b) #2 (x-y)(4+3x-3y) #3 (a-b)(1+a-b) #4 (a-b)(a-b+1) #5 (x+y)(4x-2y) Ko’paytuvchilarga ajrating: (x+y)3-x(x+y)2 #1 (a-b)(6a-4b) #2 (x+y)2y #3 (a-b)2(a-1) #4 (12x2+6x)2y #5 (y-z)24x2 Ifodani soddalshtiring: (2x-1)2-2(2x-3)2+17 #1 -8x2+20x+8 #2 18y-7 #3 -19y+6 #4 16x+2 #5 -11x2+34x-51 Ifodani soddalshtiring: (x-1)2-3(2x-3)2-25 #1 -8x2+20x+8 #2 18y-7 #3 -19y+6 #4 16x+2 #5 -11x2+34x-51 Kasrni qisqartiring: #1 #2 #3 #4 #5 Bo’lishni bajaring: (4a2b3-3ab3): (2ab3) #1 2a-3b2 #2 2a-1,5 #3 2a-1,5b2 #4 a- b2 #5 3-1,5ab2 Ifodani soddalashtiring: (6a3-3a2):a2+(12a2+9a): a #1 18a+9 #2 x-1 #3 6x-5y #4 10a #5 7a+1 Ifodani soddalashtiring: (5a3-3a2):a2+(6a2+12a): (3a) Algebraik ifodaning qiymatini toping: (15a3+25a2):(5a) -9a4:(3a2), bunda a= -2 Algebraik ifodaning qiymatini toping: (18a4-27a3):(9a2)-10a3:(5a) , bunda a= -6 Algebraik ifodaning qiymatini toping: (3x3+4x2y):x2-(10xy+15y2):(5y), bunda x= -2, y= 5 Algebraik ifodaning qiymatini toping: (2xy2-5y3):y2+(12xy+6x2):(3x) , bunda x= -3 , y= -2 Algebraik ifodaning qiymatini toping: (2xy2-5y3):y2+(12xy+6x2):(3x) , bunda x= 0 , y= -2 Amallarni bajaring va ifodani son qiymatini toping: (-0,25a3b2c)*(4abc) , bunda a= -1 , b= -1 , c= -2 Kasrni qisqartiring: Algebra VII-sinf. IV-chorak testi.A-variant27a 2 36ab 12b2 9a 2 4b2 3(3a 2b) #1 3a 2b 3a 2b #2 3a 2b 39 36ab #3 5
#4 a 2 b2 3a 2b #5 3a 2b Kasrlarni airing: 1
a3 27 3
a 3 a 3a 3a 18 #1 a 2 9 #2
#3
#4
#5 a3 27 Amallarni bajaring:( 3x 1 1 ) 3x 1 3x #1
3x 1 3x 1 #2 #3 3x 9x2 1 3x #4 3x 1 3x 2 3x 1 3x 1 #5 to’g’ri javob yo’q Amallarni bajaring: (-a)3 *(2a)=? #1 -3a3 #2 -2a4 #3 -4a3 #4 -2a2 #5 -3a2 5. Hisoblang: -3,5+(+1,7)+(-0,9)+(+12) #1 -8,8#2 -14,1#3 14,1#4 -5,3#5 9,3 Ko'phadlarni ko'paytiring. (a-2)(a-3)=? #1 a2-5a+6 #2 a2+6a+3#3 a2 +5a+6 #4 a+5a2+6#5 2+6a2+5a Ko'phadlarni ko'paytiring: (x-y)(x-1)=? #1 x2 +x+xy+y#2 x2 +y+x+1#3 x2 +x+y-xy #4 x2 -xy+y-x #5 x2 +xy+yx-1 Qo’shishni bajaring: #1 #2 #3 #4 #5 Ayirishni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 - #4 #5 Amalni bajaring: #1 #2 #3 - #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring:
Algebraik ifodaning son qiymatini toping. , bunda a=5, b= - #1 6 #2 1 #3 4 #4 1,5 #5 2 Tenglamani yeching: 6(4-3x)+5(5-6x)=0 Ko’paytmani daraja shaklida yozing: (-3b)(-3b)(-3b)(-3b)(-3b)(-3b)(-3b) Birhadni standart shaklida yozing: 5a2.3a6 Birhadni standart shaklida yozing: (-a)(-a)5bb4 Ifodani soddalashtiring: 6(5a-3b)+5(3b-2a) Tenglamani yeching: (x+2)(x+3)-(x+1)2= -4 Kater daryo oqimi bo’ylab 7 soat oqimga qarshi 6 soat yurib, hammasi bo’lib 132 km masofani o’tdi. Agar qayiqning turg’un suvdagi tezligi 10 km/soat bo’lsa, oqimning tezligini toping. Algebra VII-sinf. IV-chorak testi.B-variantKasrni qisqartiring: 7a 2 (ab2 9a) 3a(21a 7ab) 7a 2 (ab2 9a) #1 3(21a 7ab) a(b 3) #2 3 7(ab2 9a) #3 3(21 7b) a(b 3) #4 3
Kasrlarni ko’paytiring: 9a 16b2 6a 8b 6a 2 12b 9a #1 a2 #2 –a2 #3
6 #4 3a 4b #5 to’g’ri javob yo’q Amallarni bajaring: ( 2 3a 2 3a 3a 2 3a 2 ) : ( 2 3a 2 3a 3a 2 3a 2 9a 2 4 #1 12a 9a 2 4 #2 12a a 2 4 #3 12a a 2 4 #4
9a 2 4 #5 3a 2 Bo'lishbi bajaring: (-6x):(2x)=? #1 -5#2 -7#3 -4 #4 -3 #5 -6 5. Hisoblang: -3+2,35+ - #1 -12,88#2 12,88#3 2,58 #4 -2,64 #5 0 Qaysi son qavsdan tashqariga chiqadi? 81*17-17*89=? #1 17#2 81#3 15 #4 17 va 15#5 15 va 81 Qo’shishni bajaring: #1 #2 #3 #4 #5 Qo’shishni bajaring: #1 #2 #3 #4 #5 Ayirishni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 - #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amallarni bajaring: 3a:( #1 Amallarni bajaring( #1 a-b #2 #3 #4 -1 #5 1 Algebraik ifodaning son qiymatini toping. 6a+5b , bunda a= , b=1 #1 6 #2 1 #3 4 #4 1,5 #5 2 Algebraik ifodaning son qiymatini toping. , bunda x= , y=2 #1 6 #2 1 #3 4 #4 1,5 #5 2 Tenglamani yeching: 0,5(x-3)+0,4(5-x)=0 Ko’paytmani daraja shaklida yozing: (a+b)(a+b)(a+b)(a+b) Birhadni standart shaklida yozing: Ifodani soddalashtiring: 4(a-b)-3(2a-3b) Ifodani soddalashtiring: 2a-1)(2a-3)+(4a-5)(a-2) Tenglamani yeching: (x-1)(x+2) –(x+2)2=0 Ishchi 1 soatda 20 ta mahsulot tayyorlardi. U shunday unumdorlik bilan t soat ishladi.Keyin u soatiga avvalgisiga qaraganda 3 ta ko’p mahsulot bera boshladi.Bunday unumdorlik bilan u (t-2) soat ishladi. Agar jami 169 ta mahsulot tayyorlagan bo’lsa, t ni toping. Kasrni qisqartiring: Algebra VII-sinf. IV-chorak testi.C-variant24a 4 16a3 3a 2 12a3 14a 2 7a 2 #1 2a-1 #2 2a 1
2a 1 24a 4 15 #3 17 14a 2 2a 16a3 1 #4
Kasrlarni bo’ling: 5b 4 4a 2 20ab 25b2 5b 4 2a 5b (2a 5b)2 : 25b2 16 2a 5b #1 #2 2a 5b 5b 4 #3 5b-4 #4 5b+4 #5 5b 4 Ko'phadlarni ko'paytiring. (a+2)(a+3)=? #1 a2+4a+3#2 a2+6a+3 #3 a2 +5a+6 #4 a+5a2+6#5 2+6a2+5a Ifodani soddalashtiring; (18a4 + 21a2) :3a2-5a(2a+1/a) #1 4a2=2 #2 16 a2+12 #3 -4a2+2 #4 16a2+2 #5 -4a2+12 a=-3, b=-5, c=1 bo'lsa, ni hisoblang. #1 -7#2 9 #3 -3#4 -9#5 -6 Tenglamani yeching va to'g'ri javobni toping. 4x=0,24 #1 4x=0,24 x=0,24:4 x=0,06#2 4x=0,24 x=0,24:4 x=0,08#3 4x=0,24 x=0,24:4 x=0,07 #4 4x=0,24 x=0,24:4 x=0,05#5 4x=0,24 x=0,24*4 x=0,96 Qo’shishni bajaring: #1 #2 #3 #4 #5 Ayirishni bajaring: #1 #2 #3 #4 #5 Ayirishni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 - #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amalni bajaring: #1 #2 #3 #4 #5 Amallarni bajaring: (2+ #1 Amallarni bajaring: #1 a-b #2 #3 #4 -1 #5 1 Algebraik ifodaning son qiymatini toping. 3a-2b, bunda a=1, b= #1 6 #2 1 #3 4 #4 1,5 #5 2 Tenglamani yeching: 3x+5=x+2 #1 -1,5 #2 3 #3 1 #4 -5 #5 1 Tenglamani yeching: Ko’paytmani daraja shaklida yozing: Birhadni standart shaklida yozing: 23xy2(-3)yx4 Ifodani soddalashtiring: (-2)(x+y)+(2y+x) Tenglamani yeching: 9x2-(3x-2)2=8 Tenglamani yeching: 16x2-(4x-3)(4x+5)=15 Jism 4 km/soat tezlik bilan t soat, 2 km/soat tezlik bilan (t+3) soat harakat qildi. Agar jism jami 42 km yo’l bosgan bo’lsa, u qancha vaqt harakatda bo’lgan? Amallarni bajaring: 4 5 Algebra VII-sinf. IV-chorak testi.D-variant 10b 9 #1 #2 a b 9
a b 9
#4 a 2 b2 9(a b) 9(a b) #5
a b a b a b a b a b Amallarni bajaring: ( 4a 5b 4a 5b 4a 5b 4a 5b ) : ( 4a 5b 4a 5b 1)
8a #1 16a 2 25b2 4a 5b #2 4a 5b 8a #3 4a 5b 8 #4 4a 5b 8a #5 4a 5b Qaysi son qavsdan tashqariga chiqadi? 81*17-15*81=? #1 17 #2 81 #3 15#4 17 va 15#5 15 va 81 Ko’phadlarni ko’paytiring: (a+2b)(a-2b)(a2+4b2) #1 a3-16b3 #2 a4-8b3 #3 a3-8b3 #4 a4+16b4 #5 a4-16b4 Tenglamani yeching: -6+a=5 #1 4 #2 13 #3 1 #4 11 #5 -1 Birhadlarni ko'paytiring: (3,5a)(2b)=? #1 5ab#2 4ab#3 6ab#4 3ab #5 7ab Algebraik ifodaning son qiymatini toping. , bunda x=10, y=-7 #1 6 #2 1 #3 4 #4 1,5 #5 2 Tenglamani yeching: 7-2x=x-2 #1 -1,5 #2 3 #3 1 #4 -5 #5 1 Ko’paytmani daraja shaklida yozing: a.a.a.a.a.a Ko’paytmani daraja shaklida yozing: (a-b)(a-b)(a-b)(a-b)(a-b) Birhadni standart shaklida yozing: 0,5ab4bbaaaa Ifodani soddalashtiring: 2ab(3a2-b2)+3ab((2b2-a2) Tenglamani yeching: (2x-1)2-(2x-3)2=8 Tenglamani yeching: 25x2- (-5x-2)2= 16 Birinchi kvadratning tomoni ikkinchi kvadrat tomonidan 3 sm uzun, yuzi esa 21 sm2 ga ortiq. Birinchi kvadrat perimetrining ikkinchi kvadrat perimetriga nisbatini toping. 9 #1 a b 9 #2 #3 a b 9
a b 9(a b) #4
9(a b) #5
Amallarni bajaring: ( 4a 5b 4a 5b 4a 5b 4a 5b ) : ( 4a 5b 4a 5b 1)
8a #1 16a 2 25b2 4a 5b #2 4a 5b 8a #3 4a 5b 8 #4 4a 5b 8a #5 4a 5b Qaysi son qavsdan tashqariga chiqadi? 81*17-15*81=? #1 17 #2 81 #3 15#4 17 va 15#5 15 va 81 Ko’phadlarni ko’paytiring: (a+2b)(a-2b)(a2+4b2) #1 a3-16b3 #2 a4-8b3 #3 a3-8b3 #4 a4+16b4 #5 a4-16b4 Tenglamani yeching: -6+a=5 #1 4 #2 13 #3 1 #4 11 #5 -1 Birhadlarni ko'paytiring: (3,5a)(2b)=? #1 5ab#2 4ab#3 6ab#4 3ab #5 7ab Algebraik ifodaning son qiymatini toping. , bunda x=10, y=-7 #1 6 #2 1 #3 4 #4 1,5 #5 2 Tenglamani yeching: 7-2x=x-2 #1 -1,5 #2 3 #3 1 #4 -5 #5 1 Ko’paytmani daraja shaklida yozing: a.a.a.a.a.a Ko’paytmani daraja shaklida yozing: (a-b)(a-b)(a-b)(a-b)(a-b) Birhadni standart shaklida yozing: 0,5ab4bbaaaa Ifodani soddalashtiring: 2ab(3a2-b2)+3ab((2b2-a2) Tenglamani yeching: (2x-1)2-(2x-3)2=8 Tenglamani yeching: 25x2- (-5x-2)2= 16 Birinchi kvadratning tomoni ikkinchi kvadrat tomonidan 3 sm uzun, yuzi esa 21 sm2 ga ortiq. Birinchi kvadrat perimetrining ikkinchi kvadrat perimetriga nisbatini toping. Download 0.56 Mb. Do'stlaringiz bilan baham: |
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