191/8+(-53/4)+(-91/8)-125 eching

$$19 \frac { 1 } { 8 } + ( - 5 \frac { 3 } { 4 } ) + ( - 9 \frac { 1 } { 8 } ) - 125$$

Baholash

$$-\frac{483}{4}=-120,75$$

Yechim qadamlari

152 hosil qilish uchun 19 va 8 ni ko'paytirish.

$$\frac{152+1}{8}-\frac{5\times 4+3}{4}-\frac{9\times 8+1}{8}-125$$

153 olish uchun 152 va 1'ni qo'shing.

$$\frac{153}{8}-\frac{5\times 4+3}{4}-\frac{9\times 8+1}{8}-125$$

20 hosil qilish uchun 5 va 4 ni ko'paytirish.

$$\frac{153}{8}-\frac{20+3}{4}-\frac{9\times 8+1}{8}-125$$

23 olish uchun 20 va 3'ni qo'shing.

$$\frac{153}{8}-\frac{23}{4}-\frac{9\times 8+1}{8}-125$$

8 va 4 ning eng kichik umumiy karralisi 8 ga teng. \frac{153}{8} va \frac{23}{4} ni 8 maxraj bilan kasrlarga aylantirib oling.

$$\frac{153}{8}-\frac{46}{8}-\frac{9\times 8+1}{8}-125$$

\frac{153}{8} va \frac{46}{8} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{153-46}{8}-\frac{9\times 8+1}{8}-125$$

107 olish uchun 153 dan 46 ni ayirish.

$$\frac{107}{8}-\frac{9\times 8+1}{8}-125$$

72 hosil qilish uchun 9 va 8 ni ko'paytirish.

$$\frac{107}{8}-\frac{72+1}{8}-125$$

73 olish uchun 72 va 1'ni qo'shing.

$$\frac{107}{8}-\frac{73}{8}-125$$

\frac{107}{8} va \frac{73}{8} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{107-73}{8}-125$$

34 olish uchun 107 dan 73 ni ayirish.

$$\frac{34}{8}-125$$

\frac{34}{8} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{17}{4}-125$$

125 ni \frac{500}{4} kasrga o‘giring.

$$\frac{17}{4}-\frac{500}{4}$$

\frac{17}{4} va \frac{500}{4} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{17-500}{4}$$

-483 olish uchun 17 dan 500 ni ayirish.

$$-\frac{483}{4}$$

Omil

$$-\frac{483}{4} = -120\frac{3}{4} = -120,75$$