Algebra I

Hong Kong

Stage 1 - Stage 3

Simplify the expression:

$5m+9m+10m$5`m`+9`m`+10`m`

Easy

Less than a minute

Simplify the expression:

$4x-10x$4`x`−10`x`

Simplify the expression $q\times9\times p$`q`×9×`p`.

Simplify the expression $\frac{20n}{5}$20`n`5.

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