Number (add/sub)

Hong Kong

Stage 1

Fill in the numbers to make the working correct:

$13-8=3+10-8$13−8=3+10−8

$=$=$3+\editable{}$3+

$=$=$\editable{}$

Easy

< 1min

Fill in the numbers to make the working correct:

Easy

1min

Fill in the numbers to make the working correct:

Easy

1min

$12-4=8$12−4=8. Use this to find:

Easy

< 1min

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