2,5 × 1 1/4 pake cara y

2,5 x 1 1/4 =

[tex] \frac{25}{10} \times \frac{5}{4} = \frac{125}{40} = \frac{25}{8} = 3 \frac{1}{8} [/tex]

Semoga bermanfaat
-Lala ❤