Grammda ifodalang:

a) 1 kg 810 g;

b)2 sr 20 kg 349 g;

(a)  

Sentner va kilogrammlarda ifodalang:

a) 75 207 kg;

b)123 320 kg;

(a)  

Kilogramm bilan ifodalang:

a) 7 t 200 kg;

b) 4 t 565 kg

(a)  

Sonlar yig‘indisini toping:

a) 5 089, 444, 2 100, 209;

b) 709, 234, 2 064;

(a)  

Yig'indini hisoblang:

a) 11 + 12 +13 + 14 + 15 + 16 + 17 + 18 + 19 + 20;

____________________________________

b) 51 + 52 +53 + 54 + 55 + 56 + 57 + 58;

____________________________________

(a)  

Harfli ifodaning qiymatini toping:

a) (128 - 12b) + (14b - 18), bunda b = 3

b) (30y - 25) - (20y + 10), bunda y = 4

(a)  

Tenglamani yeching.

a) 1556 - z = 221

b)275 - z = 173;

(a)  

Hisoblang:

1) a + a + a + a + a + a + a ___________________

2) 781 + 781 + 781 + 191 + 191 + 191 _______________________

(a)  

Hisoblang:

4 • 2 • 25 • 5 • 8 • 125___________________

(122 • 8) • 25_________________________

(a)  

ABC uchburchakning AB tomoni 36 mm va u BC tomondan 3 martaqisqa. Agar uchburchak perimetri 225 mm bo‘lsa, AC tomon uzunliginitoping.

(a)  

1) 2880 sonini ko‘paytuvchilardan biri 45 bo‘lgan;

2) 10323 sonini ko‘paytuvchilardan biri 111 bo‘lgan ikki son ko‘paytmasi ko‘rinishida tasvirlang.

(a)  

Shunday sonni topingki, uni:

a) 32 ga bo‘lganda, 24 hosil bolib, 13 qoldiq qolsin;

b) 43 ga bo‘lganda, 25 hosil bolib, 17 qoldiq qolsin;

(a)  

Qulay usulda hisoblang:

a) 299 • 4;

b) 24 • 11;

(a)  

Ifodani soddalashtiring:

a) 5x + 23 + 4x + 1;

b) 12y + 31 + 34y + 8;

(a)  

261 • 12 + 29 • 101 + 60 • 12 - 17 • 101.

37 • 13 + 28 • 77 + 63 • 13 - 18 • 77;

(a)  

Avstraliya qit’asida yashaydigan kenguru 12 m uzunlikka sakrashi mumkin.Bu ajoyib hayvon 100 marta sakrasa, qancha masofani bosib o‘tadi?U 1500 m masofani necha marta sakrab bosib o‘tishi mumkin?

(a)  

Hisoblang:

23 • 12 + 490 : 14-224 : 16;_______________________________

764 -348 - 112 + 231;___________________________________

24 • 12 • 25 : 100;_____________________________________

321 • 23 : 69+644 : 23+93;________________________________

(a)  

Ifodaning qiymatini toping:

(410 + 96) • (1010 - 31 248 : 62) - 170 • 1500;

(a)  

$$(10^2-2^6):6+1^{10};$$

$$1500:5^3+693:3^2;$$

(a)  

Ilhomda x dona, Botirda undan 8 dona ko‘p, Dilshodda esa Ilhomdan3 dona kam daftar bor. Ularda jami 62 ta daftar borligi ma’lum bo‘lsa, Ilhomdaqancha daftar borligini aniqlang.

(a)  

Azizada x dona, Nargizada undan 8 dona ko‘p, Dilnozada esa Azizadan3 dona kam kitob bor. Jami opa-singillarda 35 ta kitob bor bo‘lsa, Azizadanechta kitob bor?

(a)  

Bo‘yi 10 cm eni 18 cm bo‘lgan to g ri to‘rtburchak shaklidagifaner bo‘lagidan tomoni 5 cm bo‘lgan kvadrat kesib olindi. Fanerning qolganqismining yuzini toping.

(a)  

Avtomobilchi 3 soatda 261 km yurdi. Mototsiklchi tezligi avtomobil tezligidan5 km/h kam. 5 soatda mototsiklchi qancha masofa bosib o‘tadi?

(a)  

Toshkent va Samarqand shaharlari orasidagi masofa 300 km. «Afrosiyob»poezdi tezligi 150 km/h, tezyurar poyezdi tezligi 100 km/h. «Afrosiyob»poyezdi Samarqandga tezyurar poyezdidan necha soat oldin yetib keladi?

(a)  

Qirg'oqdan bir vaqtda qarama-qarshi yo'nalishlarda ikkita kater chiqdi . Birinchi katerning tezligi 30 km/h, ikkinchisiniki esa 40 km/hga teng.Ular orasidagi masofa qancha vaqtdan keyin 210 km ga teng bo'ladi?

(a)  

Do‘konda reklama tadbiri o‘tkazilmoqda: sotib olingan har ikki dona tishpastasiga uchinchisi sovg‘a qilinadi. Tish pastasining narxi 8500 so‘m.50 000 so‘mga ko‘pi bilan nechta tish pastasi sotib olish mumkin?

(a)  

To‘g‘ri to‘rtburchakning bir tomoni 108 cm, ikkinchi tomoni birinchisidan4 marta qisqa. To‘g‘ri to‘rtburchak perimetrini va yuzini toping.

(a)