alam niyuh po ba Yan.
pa help mo sa math pls
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Answer:
B1 B2 B3 G1 G2, B2 B3 G1 G2 B1, B3 G1 G2 B1 B2, G1 G2 B1 B2 B3, G2 B1 B2 B3 G1,
5 ways they can arrange themselves alternately in a row