Matematika fanidan majburiy blok testlari №2

a va b sonlarning EKUBi va EKUKini toing: a=2²·3²;  b=2²·5²

Amallarning bajarilish tartibini aniqlang. (a) (b) (c) (d)        1324 - 45 · (12 + 30) : 6

Qutiga yana 175 dona shokolad solingandan so'ng undagi jami shokoladlar soni 224 donaga yetdi. Dastlab qutida nechta shokolad bo'lgan?

Quyida to'g'ri burchaklardan tashkil topgan shaklda AB=a+44, BC=b+46, EF=c, FG=d   bo'lsa, uning perimetrini toping.

8 m² necha sm²?

Tenglamani yeching:

2,25 ga teskari sonni toping.

m=2212524, n=231300, k=1024145 lardan qaysi biri 12 ga qoldiqsiz bo'linadi?

Hisoblang: 67-11·4+450:9

Noto'g'ri kasrni aralash songa аjrating. 342/30