685*189*10^3/831*621 eching

$$\frac{ 685 \cdot 189 \times { 10 }^{ 3 } }{ 831 \cdot 621 }$$

Baholash

$$\frac{4795000}{19113}\approx 250,876366871$$

Yechim qadamlari

Surat va maxrajdagi ikkala 3\times 9 ni qisqartiring.

$$\frac{7\times 685\times 10^{3}}{69\times 277}$$

4795 hosil qilish uchun 7 va 685 ni ko'paytirish.

$$\frac{4795\times 10^{3}}{69\times 277}$$

3 daraja ko‘rsatkichini 10 ga hisoblang va 1000 ni qiymatni oling.

$$\frac{4795\times 1000}{69\times 277}$$

4795000 hosil qilish uchun 4795 va 1000 ni ko'paytirish.

$$\frac{4795000}{69\times 277}$$

19113 hosil qilish uchun 69 va 277 ni ko'paytirish.

$$\frac{4795000}{19113}$$

Omil

$$\frac{2 ^ {3} \cdot 5 ^ {4} \cdot 7 \cdot 137}{3 \cdot 23 \cdot 277} = 250\frac{16750}{19113} = 250,87636687071625$$