1/4+1/4+1+7+85+80+95+100+90 eching

$$\frac{ 1 }{ 4 } + \frac{ 1 }{ 4 } +1+7+85+80+95+100+90$$

Baholash

$$\frac{917}{2}=458,5$$

Yechim qadamlari

\frac{1}{4} va \frac{1}{4} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{1+1}{4}+1+7+85+80+95+100+90$$

2 olish uchun 1 va 1'ni qo'shing.

$$\frac{2}{4}+1+7+85+80+95+100+90$$

\frac{2}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1}{2}+1+7+85+80+95+100+90$$

1 ni \frac{2}{2} kasrga o‘giring.

$$\frac{1}{2}+\frac{2}{2}+7+85+80+95+100+90$$

\frac{1}{2} va \frac{2}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{1+2}{2}+7+85+80+95+100+90$$

3 olish uchun 1 va 2'ni qo'shing.

$$\frac{3}{2}+7+85+80+95+100+90$$

7 ni \frac{14}{2} kasrga o‘giring.

$$\frac{3}{2}+\frac{14}{2}+85+80+95+100+90$$

\frac{3}{2} va \frac{14}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{3+14}{2}+85+80+95+100+90$$

17 olish uchun 3 va 14'ni qo'shing.

$$\frac{17}{2}+85+80+95+100+90$$

85 ni \frac{170}{2} kasrga o‘giring.

$$\frac{17}{2}+\frac{170}{2}+80+95+100+90$$

\frac{17}{2} va \frac{170}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{17+170}{2}+80+95+100+90$$

187 olish uchun 17 va 170'ni qo'shing.

$$\frac{187}{2}+80+95+100+90$$

80 ni \frac{160}{2} kasrga o‘giring.

$$\frac{187}{2}+\frac{160}{2}+95+100+90$$

\frac{187}{2} va \frac{160}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{187+160}{2}+95+100+90$$

347 olish uchun 187 va 160'ni qo'shing.

$$\frac{347}{2}+95+100+90$$

95 ni \frac{190}{2} kasrga o‘giring.

$$\frac{347}{2}+\frac{190}{2}+100+90$$

\frac{347}{2} va \frac{190}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{347+190}{2}+100+90$$

537 olish uchun 347 va 190'ni qo'shing.

$$\frac{537}{2}+100+90$$

100 ni \frac{200}{2} kasrga o‘giring.

$$\frac{537}{2}+\frac{200}{2}+90$$

\frac{537}{2} va \frac{200}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{537+200}{2}+90$$

737 olish uchun 537 va 200'ni qo'shing.

$$\frac{737}{2}+90$$

90 ni \frac{180}{2} kasrga o‘giring.

$$\frac{737}{2}+\frac{180}{2}$$

\frac{737}{2} va \frac{180}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{737+180}{2}$$

917 olish uchun 737 va 180'ni qo'shing.

$$\frac{917}{2}$$

Omil

$$\frac{7 \cdot 131}{2} = 458\frac{1}{2} = 458,5$$