(4 × 7) + (3 × 7) is the same as .
-1/2+ [(-4/3)+3/7] and [(-1/2)+3/7]+(-4/3)
are there same
Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number:
(i) 25+73+−45+−13
(ii) 37+−49+−117+79
(iii) 25+83+−1115+45+−23
(iv) 47+0+−89+−137+1721