Question

-7,9-(-2,7)как решить ​

Answer 1

Решение: - 7,9 - ( - 2,7 ) = - 7,9 + 2,7 = 2,7 - 7,9 = - 5,2.

Ответ: - 5,2.

Правила:

+ на - будет -

- на + будет -

+ на + будет +

- на - будет +

Answer 2

To solve the expression -7.9 - (-2.7), we can follow these steps:

1. Remove the parentheses by distributing the negative sign inside the second set of parentheses: -7.9 - (-2.7) = -7.9 + 2.7

2. Add the two numbers together: -7.9 + 2.7 = -5.2

Therefore, the solution to -7.9 - (-2.7) is -5.2.

Please let me know if there's anything else I can help you with!