1*2*3+2*4*6+3*6*9+4*8*12+5*10*15/1*3*5+2*6*10+3*9*15+4*12*20+5*15*25= eching

$$\frac { 1 \times 2 \times 3 + 2 \times 4 \times 6 + 3 \times 6 \times 9 + 4 \times 8 \times 12 + 5 \times 10 \times 15 } { 1 \times 3 \times 5 + 2 \times 6 \times 10 + 3 \times 9 \times 15 + 4 \times 12 \times 20 + 5 \times 15 \times 25 } =$$

Baholash

$$\frac{2}{5}=0,4$$

Yechim qadamlari

2 hosil qilish uchun 1 va 2 ni ko'paytirish. 8 hosil qilish uchun 2 va 4 ni ko'paytirish. 18 hosil qilish uchun 3 va 6 ni ko'paytirish. 32 hosil qilish uchun 4 va 8 ni ko'paytirish. 50 hosil qilish uchun 5 va 10 ni ko'paytirish.

$$\frac{2\times 3+8\times 6+18\times 9+32\times 12+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

6 hosil qilish uchun 2 va 3 ni ko'paytirish.

$$\frac{6+8\times 6+18\times 9+32\times 12+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

48 hosil qilish uchun 8 va 6 ni ko'paytirish.

$$\frac{6+48+18\times 9+32\times 12+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

54 olish uchun 6 va 48'ni qo'shing.

$$\frac{54+18\times 9+32\times 12+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

162 hosil qilish uchun 18 va 9 ni ko'paytirish.

$$\frac{54+162+32\times 12+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

216 olish uchun 54 va 162'ni qo'shing.

$$\frac{216+32\times 12+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

384 hosil qilish uchun 32 va 12 ni ko'paytirish.

$$\frac{216+384+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

600 olish uchun 216 va 384'ni qo'shing.

$$\frac{600+50\times 15}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

750 hosil qilish uchun 50 va 15 ni ko'paytirish.

$$\frac{600+750}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

1350 olish uchun 600 va 750'ni qo'shing.

$$\frac{1350}{1\times 3\times 5+2\times 6\times 10+3\times 9\times 15+4\times 12\times 20+5\times 15\times 25}$$

3 hosil qilish uchun 1 va 3 ni ko'paytirish. 12 hosil qilish uchun 2 va 6 ni ko'paytirish. 27 hosil qilish uchun 3 va 9 ni ko'paytirish. 48 hosil qilish uchun 4 va 12 ni ko'paytirish. 75 hosil qilish uchun 5 va 15 ni ko'paytirish.

$$\frac{1350}{3\times 5+12\times 10+27\times 15+48\times 20+75\times 25}$$

15 hosil qilish uchun 3 va 5 ni ko'paytirish.

$$\frac{1350}{15+12\times 10+27\times 15+48\times 20+75\times 25}$$

120 hosil qilish uchun 12 va 10 ni ko'paytirish.

$$\frac{1350}{15+120+27\times 15+48\times 20+75\times 25}$$

135 olish uchun 15 va 120'ni qo'shing.

$$\frac{1350}{135+27\times 15+48\times 20+75\times 25}$$

405 hosil qilish uchun 27 va 15 ni ko'paytirish.

$$\frac{1350}{135+405+48\times 20+75\times 25}$$

540 olish uchun 135 va 405'ni qo'shing.

$$\frac{1350}{540+48\times 20+75\times 25}$$

960 hosil qilish uchun 48 va 20 ni ko'paytirish.

$$\frac{1350}{540+960+75\times 25}$$

1500 olish uchun 540 va 960'ni qo'shing.

$$\frac{1350}{1500+75\times 25}$$

1875 hosil qilish uchun 75 va 25 ni ko'paytirish.

$$\frac{1350}{1500+1875}$$

3375 olish uchun 1500 va 1875'ni qo'shing.

$$\frac{1350}{3375}$$

\frac{1350}{3375} ulushini 675 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{2}{5}$$

Omil

$$\frac{2}{5} = 0,4$$