[" Simplify: (a) "460times15-5times20],[" (b) "1-:[1+1-:{1+1-:1(1+1-:2)}]+1]

Simplify: (a) 460xx15-5xx20 (b) 1-:[1+1-:{1+1-:1(1+1-:2)}]+1

Simplify: 3+1 1/5+2/3-7/(15)

Simplify: 3+1 1/5+2/3-7/(15)

Simplify : sqrt( 1 + a) times sqrt ( 1- a )

1.Simplify : (3)^(-5)times(1/3)^(2)times(1/3)^(-8)

6.Simplify (1/2)^(-3) times (1/4)^(-3)times (1/5)^(-3)

Evaluate : 1/5 times 1/5 times 1/5

Simplify 2 1/2 xx 4 3/6 xx 1

Evaluate: a. (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1)times (-1) times (-1) times (-1)

Evaluate: (1) times (1) times (1) times (1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1)