cindydixon4352 cindydixon4352

12-11-2021
Mathematics

contestada

Step by step solve 18×20, I find double 18 and then multiply by 10

Respuesta :

waynejoneskc waynejoneskc

12-11-2021

18x20 is 360
18x10 is 180
18x10 again is 180
180+180=360

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