4/15*2/7+8/15div7/2+frac{2}{15}*frac{3}{7} eching

$$\frac{ 4 }{ 15 } \times \frac{ 2 }{ 7 } + \frac{ 8 }{ 15 } \div \frac{ 7 }{ 2 } + \frac{ 2 }{ 15 } \times \frac{ 3 }{ 7 }$$

Baholash

$$\frac{2}{7}\approx 0,285714286$$

Yechim qadamlari

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{4}{15} ni \frac{2}{7} ga ko‘paytiring.

$$\frac{4\times 2}{15\times 7}+\frac{\frac{8}{15}}{\frac{7}{2}}+\frac{2}{15}\times \frac{3}{7}$$

\frac{4\times 2}{15\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{8}{105}+\frac{\frac{8}{15}}{\frac{7}{2}}+\frac{2}{15}\times \frac{3}{7}$$

\frac{8}{15} ni \frac{7}{2} ga bo'lish \frac{8}{15} ga k'paytirish \frac{7}{2} ga qaytarish.

$$\frac{8}{105}+\frac{8}{15}\times \frac{2}{7}+\frac{2}{15}\times \frac{3}{7}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{8}{15} ni \frac{2}{7} ga ko‘paytiring.

$$\frac{8}{105}+\frac{8\times 2}{15\times 7}+\frac{2}{15}\times \frac{3}{7}$$

\frac{8\times 2}{15\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{8}{105}+\frac{16}{105}+\frac{2}{15}\times \frac{3}{7}$$

\frac{8}{105} va \frac{16}{105} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{8+16}{105}+\frac{2}{15}\times \frac{3}{7}$$

24 olish uchun 8 va 16'ni qo'shing.

$$\frac{24}{105}+\frac{2}{15}\times \frac{3}{7}$$

\frac{24}{105} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{8}{35}+\frac{2}{15}\times \frac{3}{7}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{2}{15} ni \frac{3}{7} ga ko‘paytiring.

$$\frac{8}{35}+\frac{2\times 3}{15\times 7}$$

\frac{2\times 3}{15\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{8}{35}+\frac{6}{105}$$

\frac{6}{105} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{8}{35}+\frac{2}{35}$$

\frac{8}{35} va \frac{2}{35} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{8+2}{35}$$

10 olish uchun 8 va 2'ni qo'shing.

$$\frac{10}{35}$$

\frac{10}{35} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{2}{7}$$

Omil

$$\frac{2}{7} = 0,2857142857142857$$