6
№25
Tenglamani yeching:
a) 2
2
• (x – 8) = 2
3
• 7 e) 5
2
• (2x – 7) = 25 • 17
b) ( 35 + x) • 2
3
= 16 • 22 f) (91 +11x) • 7
2
= 7
3
• 112
c) x + x +100 = 28028 : 14 g) 6x +x – 3x = 25 • 16
d) x + 6x +700 = 70 • 16 h) x + 2x + 3x = 11 • 72
№26
Quyidagi sonlarning natural bo’luvchilarini yozing.
a) 64 c) 14 e) 81
b) 84 d) 100 f) 125
№27
Quyidagi sonlarni natural bo’luvchilar sonini toping.
a) 125 c) 256 e) 814
b) 297 d) 128 f) 1256
№28
Quyidagi sonlarning natural bo’luvchilar yig’indisini toping:
a) 256 c) 98 e) 275
b) 1024 d) 112 f) 324
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