Question

Find the following uing by using properties of addition.
(i) 25 + 45 + 65 (ii) (-50)+60+(-70)
(iii) 607 + (-705) + (-402) (iv) (-400) + 35 + (-25)
I want answer quickly please​

Answer 1

Answer:

I)135

2)-60

3)-500

4)-390

Answer 2

Answer:

(i) 25+45+65=135

(ii) (-50)+60+(-70)=-60

(iii) 607 + (-705) + (-402)=-500

(iv) (-400) + 35 + (-25)=-390