Question

2+2-1+2+2-2+2-0.5+1-18+25

Answer 1

2+2-1+2+2-2+2-0.5+1-18+25=14,5

так как

-1 и +1 сокращаем

-2 и +2 сокращаем

получаем 2+2+2+2-0,5-18+25

2+2=4

4+4=8

8-0,5=7,5

7,5-18=−10,5

−10,5+25= 14,5

Answer 2

Let's calculate the expression step by step:

2 + 2 = 4 4 - 1 = 3 3 + 2 = 5 5 - 2 = 3 3 + 2 = 5 5 - 0.5 = 4.5 4.5 + 1 = 5.5 5.5 - 18 = -12.5 -12.5 + 25 = 12.5

So, the final result of the expression is 12.5.