1.

(10b + a)-(10a + b) = 9(b-a).

Answer»

0 is the right answer

(10b+a) -(10a+b)10(b-a) -1(b-a)(b-a)9is correct answer

o is the right answee

10b+a-10a+b=9b-9a=9(b-a)

(10b+a)-(10a+10b)10(b-a)

(10 b+ a) -(10 a +b)=9(b-a) Sahi hai



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