Question

1) 5 240+(1 130+2310) 2) 9 436- 2 005+(2978-546)

Answer 1

1) 8 680
2)5 179
Отвечаю всё правильно написал

Answer 2

5,240 + (1,130 + 2,310)

= 5,240 + 3,440

= 8,680

Therefore, 5,240 + (1,130 + 2,310) = 8,680.

9,436 - 2,005 + (2,978 - 546)

= 9,436 - 2,005 + 2,432

= 9,867

Therefore, 9,436 - 2,005 + (2,978 - 546) = 9,867.