Question

Вычислите подробно:а)-5+18+16-22 б) -27*(13-15)

Answer 1

1)
1. -5 + 18 = 13
2.13 + 16 = 29
3. 29 - 22 = 7
2)
1.13 - 15 = -2
2. -27 * -2 = 54.

Answer 2

-5+18=18-5=13
13+16=29
29-22=7
-5+18+16-22=7
-27*13=-351
-27*(-15)=405. -(-)=+
-351+405=405-351=54
-27*(13-15)=54