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Mathematics 4 Online
OpenStudy (anonymous):

what is the rule for the pattern 5,-10,15,-20

OpenStudy (zzr0ck3r):

5,10,15,20,25,30,35...... +,-,+,-,+,-,+,-,+,-,+,- do you see it?

OpenStudy (anonymous):

Ah, yes, thank you

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