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Question 1 of 6
1 of 6
Match the expressions which have the same value.
Click and drag answers to change the order, or select using Tab then move by pressing Space and the arrows on your keyboard.
89 − 51
69 − 37
75 − 15
89 − 50 − 1
69 − 7 − 30
75 − 5 − 10
Think about how many tens and ones are subtracted and how much these are worth altogether.
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