Asked by Bella
can anyone solve this problem for me?
2cm 72mm + 69 mm =_________
2cm 72mm + 69 mm =_________
Answers
Answered by
drwls
Aren't you missing a "+" sign between 2 cm and 72 mm?
When you add or subtract lengths, they all have to have the same dimensions. The 2 cm should therefore be changed to 20 mm before adding.
When you add or subtract lengths, they all have to have the same dimensions. The 2 cm should therefore be changed to 20 mm before adding.
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