6-sinf

Agar 5537n2 olti xonali son 18 ga qoldiqsiz bo'linsa, n ni toping.

• 1

• 5

• 7

• 3

• 8

• 5

• 3

• 6

Agar n, m va k natural sonlar uchun nm=25 va mk=4 bo'lsa, n+2m+k ifodaning qiymatini toping.

• 32

• 29

• 31

• 30

• 1

• 4

• 3

• 2

• 17

• 10

• 7

• 13

• 25

• 36

• 45

• 81

• 4 ta

• 5 ta

• 3 ta

• 2 ta

35 ta natural son ketma -ket yozilgan. 123...3435. Shu sonni 25 ga bo'lgandagi qoldiqni toping.

• 15

• 20

• 5

• 10

Radiusi 12 sm ga teng bo'lgan doiraning yuzini toping.