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Likurg_2 [28]
3 years ago
9

Use a mental math strategy to find 290+602.Eplain how to checkyour answer using a diffrent strategy.

Mathematics
1 answer:
puteri [66]3 years ago
3 0
Mental math: 892

To check your answer, subtract 892-290 or 892-602. If you chose 892-290, the answer would be 602. If you chose 892-602, the answer would be 290.

Hope this helps
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