1] tenglamalar sistemasini algebrik qo’shish usuli bilan yeching

8 SINF TEST
1] TENGLAMALAR SISTEMASINI ALGEBRIK QO’SHISH USULI BILAN YECHING
A]X=2 Y=1 B]X=1 Y=-0,5 C]X=-1 Y=0,5 D]X=-1 Y=-0,5
2] HISOBLANG 6*[-8]:[-12]= A] -4 B] -3 C] 4 D] 2
3] IFODANI SON QIYMATINI TOPING BUNDA A=- 2 B=-3 C=-1
A]=-2 B]=4 C]3 D]2
4] TENGLAMANI YECHING [X+4][X+5]=0
A]X₁=4,X₂=-5 B]X₁=-5 X₂=4 C]X₁=4 X₂=5 D]X₁=-4 X₂=-5
5] QAVSNI OCHING a-[b-[c+d]]=
A] a-b-c-d B] a-b-c+d C] a+b+c+d D]a-b+c-d
6]SINIFDA 35 O’QUVCHI BOR.ULARNING BESHDAN BIR QISMI ALOCHILAR SINIFDA ALOCHI BOR
A]5TA B]7TA C]28TA D]30TA
7]60 NING BO’LUVCHILARI SONI NECHTA
A]11TA B]10TA C]12TA D]8TA
8]HISOBLANG
A] B] C] D]
9] IFODANI SON QIYMATNI TOPING
A] B] C] D]
10] TO’G’RI BURCHAKLI UCHBURCHAKDA KATET 7 SM UNING GIPOTENUZA UZUNLIGINI PRETSIYA ESA 1,96 SM GA TENG IKKINCHI KATETINI UZUNLIGINI TOPING
A]12 SM B]19 SM C]10 SM D]24 SM
11] KO’PHADNI BIR HADGA BO’LING [2A ²B+AB²+8ABC] :[2AB]=
12] TENGLAMALAR SISTEMASIDA YECHING

13] QAVUSLARNI OCHING VA SODALASHTIRING

5a+[3a-[4a+3]]
14] HISOBLANG

15] HAMMA BURCHAKLARI TO’G’RI BOLGAN PARALLIGRAM …………….. DEB ATALADI.