dua dua per lima dikali nol koma lima adalah ?

1. 2 2/5 × 0,5

= 2 2/5 × 1/2

= 12/5 × 1/2

= 6/5

= 1 1/5 atau 1,2

[tex]2 \frac{2}{5} \times 0.5 \ \: = \: \frac{12}{5} \times \frac{5}{10} = \frac{12}{10} = \frac{6}{5} = 1 \ \frac{1}{10} [/tex]
[tex] \frac{12}{10} = \frac{6}{5} = 1 \ \ \frac{1}{5} \ [/tex]