A level Computer Science In-fix post-fix Reverse polish

Convert from in-fix to post-fix RPN

x ^ y / (5 * z) + 10

• x y ^ 5 z * / 10 +

• 10 +x y ^ 5 z * /

• x y ^ 5 / 10 + z *

• x y 5 ^ z * / 10 +

Convert from in-fix to post-fix RPN

5y+6x+9/z

• 5 y 6 x * * + 9 z / +

• 5 y * 6 x * + 9 z / +

• 5 y 6 x 9 + z / +

• + 9 z / +5 y * 6 x *

Convert from in-fix to post-fix RPN

(3+4/5)*(Y+X^3)

• 3 4 5 Y X 3 / + ^ + *

• 3 4 5 / + Y X 3 ^ + *

• 3 4 5 + / Y X 3 ^ + *

• 3 4 + 5 / Y X 3 ^ + *

Convert from in-fix to post-fix RPN

2+3*4+6*7/8

• 2 3 + 4 6 + * 7 8 / +

• 2 3 4 * + 6 7 8 * / +

• 2 3 4 * + 6 7 * 8 + /

• 2 3 4 * + 6 7 * 8 / +

Convert from in-fix to post-fix RPN

2+3 * 2/3 * 2^3

• 2 3 2 * 3 / 2 3 ^ * +

• 2 3 * + 2 3 / * 2 3 ^

• 2 3 2 3 * / 2 3 ^ * +

• 2 3 2 3 2 3 * / ^ * +

Convert from in-fix to post-fix RPN

5* (6 - 7) ^ 8

• 5 6 7 - 8 ^ *

• 5 6 7 8 - ^ *

• 5 6 7 8 ^ * -

• 5 6 7 8 ^ - *

Convert from post-fix RPN to in-fix

x y ^ 5 z * / 10 +

• x ^ y * 5 + 10/ z

• x ^ y / (5 * z) + 10

• x ^ y / (5 * z + 10 )

• x ^ y / 5 +( z * 10 )

Convert from post-fix RPN to in-fix

X 3 ^ z 1 ^ * 3 /

• X * 3 / z ^ 1 / 3

• X ^ 3 * 1 / 3 ^ z

• X * 3 ^ z / 1 ^ 3

• X ^ 3 * z ^ 1 / 3

What is the post fix expression for this tree

• a b c * - d +

• a b c * d - +

• a - (b * c ) + d

• a b c d * - +

What is the in fix expression for this tree

• 2 * 3 / ( 2 - 1 ) + 5 * ( 4 - 1 )

• (2 * 3 / 2 ) - 1 ) + 5 * ( 4 - 1 )

• 2 * ( 3 / 2 ) - 1 + 5 * ( 4 - 1 )

• 2 * 3 / ( 2 - 1 ) + ( 5 * 4 ) - 1