Question

Simplify this expression: `[(12-:4 + 9-:1 + 15:5) · 2 – (1+1+8+16+1)] -: 3`?

Answer 1

`[(12-:4+9-:1+15-:5)*2-(1+1+8+16+1)]-:3=1`

Explanation:

`[(12-:4+9-:1+15-:5)*2-(1+1+8+16+1)]-:3`

= `[(3+9+3)*2-(27)]-:3`

= `[15*2-27]-:3`

= `[30-27]-:3`

= `3-:3`

= `1`