Hong Kong

Stage 4 - Stage 5

Evaluate $2^5$25

Easy

< 1min

Consider $33$33 and $27$27.

Easy

2min

Evaluate $\frac{2^5}{2^3}$2523.

Easy

< 1min

Dave can wash $2$2 cars in $4$4 minutes.

Easy

< 1min

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