Question

calculați 18 aupra 25 - 1 supra 16
va roooog

Answer 1

Răspuns

263/400

Explicație pas cu pas:

18/25-1/16=(18×16-1×25)/16×25=

(288-25)/400=263/400

Answer 2

$\frac{18}{25} - \frac{1}{16} = \frac{18 \times 16}{25 \times 16} - \frac{1 \times 25}{16 \times 25} = \frac{288}{400} - \frac{25}{400} = \frac{288 - 25}{400} = \frac{263}{400}$