Question

Скоротить дриб 12a^2/42^8 Помогите но ето столбиком(

Answer 1

$\frac{12a^{2}}{42^{8}} = \frac{4a^{2}}{14*42^{7}} = \frac{2a^{2}}{7*42^{7}} =\frac{a^{2}}{7*21*42^{6}} = \frac{a^{2}}{147*42^{6}}$