1-test Hisoblang 54: 9+6*7

Tenglamani yeching. 1390-x*2=390

Yuzi 81 kv sm bo`lgan kvadratning perimetrini toping.

Fermada 6 bosh sigir, 5 bosh qo`y, 3 bosh kurka, 9 bosh tovuq bor. Ularning jami oyog`i nechta?

III chorak (16-test)

1. 
   Ko`paytmani toping 2400*4 2800*3
   

1. 
   8600, 6400 B) 8600, 8400 C) 7600, 7400 D) 8600, 7400
   

2. 
   Hisoblang. 56*100 + 4570
   

1. 
   10170 B) 9170 C) 10100 D) 9070
   

3. 
   To`g`ri to`rtburchak shaklidagi paxta dalasining tomonlari 800 m va 400 m. Uning perimetrini toping.
   

1. 
   1200 m B) 1600 m C) 800 m D) 2400 m
   

4. 
   70 hosil bo`lishi uchun 910 ni qaysi songa bo`lish kerak? Ushbu ifodaga qaysi qatorda to`g`ri tenglama tuzilgan?
   

1.