phi=(45)(30)-(20)(5)/5(15)(55)(50)(70) eching

$$\phi = \frac { ( 45 ) ( 30 ) - ( 20 ) ( 5 ) } { 5 ( 15 ) ( 55 ) ( 50 ) ( 70 ) }$$

ϕ uchun yechish

$$ϕ=\frac{1}{11550}\approx 0,00008658$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

1350 hosil qilish uchun 45 va 30 ni ko'paytirish.

$$ϕ=\frac{1350-20\times 5}{5\times 15\times 55\times 50\times 70}$$

100 hosil qilish uchun 20 va 5 ni ko'paytirish.

$$ϕ=\frac{1350-100}{5\times 15\times 55\times 50\times 70}$$

1250 olish uchun 1350 dan 100 ni ayirish.

$$ϕ=\frac{1250}{5\times 15\times 55\times 50\times 70}$$

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

$$ϕ=\frac{1250}{75\times 55\times 50\times 70}$$

4125 hosil qilish uchun 75 va 55 ni ko'paytirish.

$$ϕ=\frac{1250}{4125\times 50\times 70}$$

206250 hosil qilish uchun 4125 va 50 ni ko'paytirish.

$$ϕ=\frac{1250}{206250\times 70}$$

14437500 hosil qilish uchun 206250 va 70 ni ko'paytirish.

$$ϕ=\frac{1250}{14437500}$$

\frac{1250}{14437500} ulushini 1250 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$ϕ=\frac{1}{11550}$$

ϕ'ni tayinlash

$$ϕ≔\frac{1}{11550}$$