1/c+1/d-c-d/cd eching

$$\frac { 1 } { c } + \frac { 1 } { d } - \frac { c - d } { c d }$$

Baholash

$$\frac{2}{c}$$

Qisqa yechim qadamlari

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. c va d ning eng kichik umumiy karralisi cd. \frac{1}{c} ni \frac{d}{d} marotabaga ko'paytirish. \frac{1}{d} ni \frac{c}{c} marotabaga ko'paytirish.

$$\frac{d}{cd}+\frac{c}{cd}-\frac{c-d}{cd}$$

\frac{d}{cd} va \frac{c}{cd} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{d+c}{cd}-\frac{c-d}{cd}$$

\frac{d+c}{cd} va \frac{c-d}{cd} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{d+c-\left(c-d\right)}{cd}$$

d+c-\left(c-d\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{d+c-c+d}{cd}$$

d+c-c+d kabi iboralarga o‘xshab birlashtiring.

$$\frac{2d}{cd}$$

Surat va maxrajdagi ikkala d ni qisqartiring.

$$\frac{2}{c}$$

Kengaytirish

$$\frac{2}{c}$$

Qisqa yechim qadamlari

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. c va d ning eng kichik umumiy karralisi cd. \frac{1}{c} ni \frac{d}{d} marotabaga ko'paytirish. \frac{1}{d} ni \frac{c}{c} marotabaga ko'paytirish.

$$\frac{d}{cd}+\frac{c}{cd}-\frac{c-d}{cd}$$

\frac{d}{cd} va \frac{c}{cd} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{d+c}{cd}-\frac{c-d}{cd}$$

\frac{d+c}{cd} va \frac{c-d}{cd} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{d+c-\left(c-d\right)}{cd}$$

d+c-\left(c-d\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{d+c-c+d}{cd}$$

d+c-c+d kabi iboralarga o‘xshab birlashtiring.

$$\frac{2d}{cd}$$

Surat va maxrajdagi ikkala d ni qisqartiring.

$$\frac{2}{c}$$