153/4+121/4 eching

$$15 \frac{ 3 }{ 4 } +12 \frac{ 1 }{ 4 }$$

Baholash

$$28$$

Yechim qadamlari

60 hosil qilish uchun 15 va 4 ni ko'paytirish.

$$\frac{60+3}{4}+\frac{12\times 4+1}{4}$$

63 olish uchun 60 va 3'ni qo'shing.

$$\frac{63}{4}+\frac{12\times 4+1}{4}$$

48 hosil qilish uchun 12 va 4 ni ko'paytirish.

$$\frac{63}{4}+\frac{48+1}{4}$$

49 olish uchun 48 va 1'ni qo'shing.

$$\frac{63}{4}+\frac{49}{4}$$

\frac{63}{4} va \frac{49}{4} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{63+49}{4}$$

112 olish uchun 63 va 49'ni qo'shing.

$$\frac{112}{4}$$

28 ni olish uchun 112 ni 4 ga bo‘ling.

$$28$$

Omil

$$2^{2}\times 7$$