Seudónimo Seudónimo

28-10-2016
Mathematics

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Lucia knows 2×5 but doesn't know 2×7. How could Sonia use 2×5 to find 2×7?

Respuesta :

CuriousCompass CuriousCompass

28-10-2016

sonia can calculate that 2x5=10,
2x2=4
4+10=14

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