`(-36/5)xx(20/-3)`

Simplify: ((-16)/5xx(20)/8)-((15)/5xx(-35)/5) ((-3)/2xx4/5)+(9/5xx(-10)/3)-((1xx3)/(2xx4))

Simplify : ((-16)/5\xx(20)/8)-((15)/5\ xx\(-35)/3)

Simplify : ((-16)/(5)xx(20)/(8))-((15)/(5)xx(-35)/(3))

Evaluate: (3^(4)xx12^(3)xx36)/(2^(5)xx6^(3))

Verify each of the following: (i) ((5)/(7)xx (12)/(13))xx(7)/(18)= (5)/(7) xx ((12)/(13)xx(7)/(18)) (ii) (-13)/(24)xx((-12)/(5)xx(35)/(36))=((-13)/(24)xx(-12)/(5))xx (35)/(36) (iii) ((-9)/(5)xx (-10)/(3)) xx (21)/(-4) = (-9)/(5) xx ((-10)/(3) xx (21)/(-4))

Verify each of the following: (i) (3)/(7)xx(-5)/(7) = (-5)/(9)xx(3)/(7) (ii) (8)/(7) xx (13)/(9) = (13)/(9) xx (-8)/(7) (iii) (-12)/(5)xx (7)/(-36) = (7)/(-36) xx (-12)/(5) (iv) -8 xx (-13)/(12) = (-13)/(12)xx(-8)

State whether the statements are true or false (-20)xx(5-3)=(-20)xx(-2)

Simplify : (i) (3)/(20)xx(4)/(5) (ii) (-7)/(30)xx(5)/(14) (iii) (5)/(-18)xx(-9)/(20) (iv) (-9)/(8)xx(-16)/(3) (v) -32xx(-7)/(36) (vi) (16)/(-21)xx(-14)/(5)

(-18)[36 -: {7-(-2)}] -: (-4){19-(-3)xx(-5)} = ?