jakewddl jakewddl

18-02-2021
Mathematics

contestada

439x2 ( Use only algorithm. )

Respuesta :

deanna12099 deanna12099

18-02-2021

878 ?????????????????

Answer Link

purezchrisalonso purezchrisalonso

18-02-2021

Answer:

878

Step-by-step explanation:

439 x 2

2x9= 18

2x30=60

2x400=800

Then add

800+60+18

60+18=78

800+78= 878

Answer Link

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