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madreJ [45]
3 years ago
6

What is 7x7-21-34-78

History
2 answers:
lesya [120]3 years ago
6 0

Answer:

-82

Explanation:

uysha [10]3 years ago
5 0

Answer:

-82

Explanation:

so, without brackets processes need to be done in highest order - multiplication first.

7x7-21-34-78

49-21-34-78

28-34-78

-4-78

-82

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