Respuesta :

ken2004511

Answer:

1.not 2×4 is 2+4 answer should be 6x⁶

2.not 3+4 is 3×4 answer should be 12a⁷

3.miss 1 should x^(6+1+3) should be x¹⁰

4.base different, and just become 81×8=648

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