Question

9) -1-7+11; 10) -5+9-11; 11) -4-5+10; 12) 6-11+8.​

Answer 1

Ответ:

9)20

10)15

11)10

12)13

Вот и ответ

Answer 2

Ответ:

-1-7+11= -8+11=3

-5+9-11= -16+9=7

-4-5+10= -9+10=1

6-11+8= 14-11=3

Answer 3

Let's solve these mathematical expressions step by step:

9. -1 - 7 + 11: -1 - 7 is -8 -8 + 11 is 3

So, the result is 3.

10. -5 + 9 - 11: -5 + 9 is 4 4 - 11 is -7

So, the result is -7.

11. -4 - 5 + 10: -4 - 5 is -9 -9 + 10 is 1

So, the result is 1.

12. 6 - 11 + 8: 6 - 11 is -5 -5 + 8 is 3

So, the result is 3.