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Calculate 3cm ,4cm, 10cm and 2cm
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2 votes
Calculate 3cm ,4cm, 10cm and 2cm

User Andrej Panjkov
by
8.0k points

1 Answer

4 votes

Answer:

19cm

Explanation:

(chose one way)

1. way using commutativity

(3cm+4cm)+(10cm+2cm)=7cm+12cm=19cm

2. way just writing

3cm+4cm+10cm+2cm=19cm

User Matt Burke
by
8.4k points
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