Question

Calculate :
1-2+3-4+5-6+7-8+9-10
Please Give in details ​

Answer 1

Answer:

-5

Step-by-step explanation:

so first we are going to group all the negative numbers and the positive numbers

we'll get like this

(1+3+5+7+9)-(2+4+6+8+10)

after this we are  going to add the numbers which are in the brackets

(25)-(30)

open the brackets then we'll get

25-30

-5

Answer 2

Answer:

1-2 = -1

-1+3= 2

2-4= -2

-2+5= 3

3-6= -3

-3+7= 4

4-8= -4

-4+9= 5

5-10= -5

Step-by-step explanation:

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