Matematika fanidan majburiy blok testlari №2

To'g'ri to'rtburchakning yuzi 49 dm², eni esa 7 dm ga teng. Shu to'rtburchakni peremtrini toping.

Hisoblang: 109 + 12 · 5 - 945:9

HisoЫang: 10 + 21·7 - 729: 9

AB 122 dm bo'lsa, bu muntazam uchburchakning rerimetrini toping.

Filning massasi 5879 kg. Filning massasi taxminan necha tonna?

320 ni tub ko'paytuvchilarga ajratilgan javobni toping.

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?

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

219 ni tub ko'paytuvchilarga ajratilgan javobni, toping