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Stage 1 - Stage 3

Choose all expressions that are equivalent to $11$11.

$v+2$`v`+2

A

$11+u+0-v$11+`u`+0−`v`

B

$2u+11-2u$2`u`+11−2`u`

C

$6+5$6+5

D

Easy

< 1min

Choose all expressions that are equivalent to $7k$7`k`.

Easy

< 1min

Choose all expressions that are equivalent to $5r+9$5`r`+9.

Easy

< 1min

Select the two terms that are equivalent to $\frac{1}{4}\times4m$14×4`m`.

Easy

< 1min

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