Question

4 - ( 4 21/40 - 5, 25) : 1 9/10​

Answer 1

Ответ:

4 - ( 4 21/40 - 5, 25) : 1 9/10

4-(181/40-21/4)×9/10

4-(-29/40)×9/10

4+29/40×9/10

4+261/400

1861/400