3 целых 5/12 умножить на 0,24

Решение:

[tex]3 \dfrac{5}{12} \cdot 0,24 \ = \ \dfrac{3\cdot12+5}{12} \cdot \dfrac{24}{100}\ = \ \dfrac{41}{12} \cdot \dfrac{24}{100} \ = \ \dfrac{41\cdot24}{12\cdot100} \ = \ \dfrac{984^{:24}}{1200^{:24}} \ = \ [/tex] [tex] = \dfrac{41}{50} = 0,82 [/tex] 

[tex]\displaystyle\mathtt{\boxed{\bold{OTBET: 0,82 } }}[/tex]