Matematika fanidan majburiy blok testlari №2

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

Ifodaning qiymatini toping 2 · |-81|+|-88|-150 +|45|

Hisoblang: 67-11·4+450:9

Hisoblang.

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

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.

2, 3, 7, 11, 12, 15, 20, 23, 27, 29, 31, 37, 100, 101, 103, 111 sonlari ichida nechta tub son bоr?

1,2,3,5,8,13,... keyingi sonni aniqlang.

HisoЬlang: 177 + 25 · 7 - 345: 5