Proporsiyaning nomam turadi. Uning 6 kgmi necha sorta hadlaridan biri 24 ga teng. Proporsiyaning ikkinchi o sinf Matematika Nazorat ishi lum hadini toping. X : 36 = 7 : 35
72 sonini 3; 7; 8 sonlariga tori proporsional qilib 3 ta qismga ajrating.
Tori toning 1:200 masshtabli chizmadagi oning yuzini toping.
A va B qishloqlar orasidagi masofaning xaritadagi uzunligi 5 smga teng. Agar kesmaga aslida haqiqiy uzunligi : a) 25 km b) 40 kmli masofa mos kelsa, xaritaning masshtabini toping.
II variant Tenglamani yeching.
Proporsiyaning nomaggrtburchak shaklidagi boglchamlari 50 sm va 40 sm ga teng . Bog sinf Matematika Nazorat ishi I-50I
Tenglamani yeching. IX-3I = 3
Hisoblang. I-30I * I-3I + I-4I * I-1I
Koordinata ortta sonning yigqida va 2 sonlar orasidagi butun sonlarni toping.
Toindisi 3689 ga teng. Bu sonlarning nisbati 2:5:4:6 kabi. Shu sonlarni toping.
6 9
I variant Tenglamani yeching.
Yiglsa (a + b) zgardi, ikkinchi yarmida esa zgardi shu tunda temperatura necha 0C ga oindini toping.