Question

Помогите решить 6,9+ 2 целых 11 20-тых

Answer 1

$6.9 + 2 \frac{11}{20} = \frac{69}{10} + \frac{51}{20} = \frac{189}{20} = 9 \frac{9}{20}$

Answer 2

6ц 9/10 + 2ц 11/20 = 69/10 + 51/20 = 138/20 + 51/20 = 189/20 = 9ц 9/20