" 13."1(5)/(6)+[2(2)/(3)-{3(3)/(4)(3(4)/(5)-:9(1)/(2))}

5(5)/(6) + [2(2)/(3) - [3(3)/(4) (3(4)/(5) div 9(1)/(2))]]

Simplify: (a) 108-:36 of (1)/(4)+(2)/(5)xx3(1)/(4) (b) (2)/(3)xx(5)/(6)+(4)/(9)-(3)/(4)+(2)/(9)xx(5)/(9)-:(2)/(9)

If A=[(2)/(3)1(5)/(3)(1)/(3)(2)/(3)(4)/(3)(7)/(3)2(2)/(3)] and B=[(2)/(3)(2)/(5)1(1)/(5)(2)/(5)(4)/(5)(4)/(5)(7)/(3)(6)/(5)(2)/(5)], then compute 3A_(-)=5B

Evaluate: |(1)/(3)-(3)/(5)|+|(2)/(9)xx(3)/(4)|-|(5)/(6)-(2)/(3)|

1+((1)/(2)+(1)/(3))/((1)/(3)-(1)/(6))/2-((4)/(5)of(5)/(6))/((2)/(3))

(6)/(5-(5)/(3))+(4-(2)/(4-(1)/(2)))/(5-(3)/(2))-(2)/(5) of {(6)/(9)+(2)/(3) of (1)/(2)}=?( a) 1(1)/(3)( b) 2(13)/(49) (c) 1(7)/(16) (d) (3)/(5)

(5)/(6) -: (6)/(7) xx ? - (8)/(9) -: 1 (2)/(5) -: (3)/(4) xx 3 (1)/(3) = 2(7)/(9)

1+(1)/(2). (3)/(5) + (1.3)/(2.4) . (9)/(25)+(1.3.5)/(2.4.6).(27)/(125)+…...oo=

1+ (1) / (2) (. 3) / (5) (1.3) / (2.4) ((3) / (5)) ^ (2) + (1.3.5) / (2.4.6) ( (3) / (5)) ^ (3) + ........ oo =

Find a rational number between (i) (3)/(8) and (2)/(5) (ii) 1.3 and 1.4 (iii) - 1 and (1)/(2) (iv) -(3)/(4) and -(2)/(5) (v) (1)/(9) and (2)/(9)