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

User Maulik Dhameliya
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1 Answer

5 votes
18x20 is 360
18x10 is 180
18x10 again is 180
180+180=360
User Ryan Brunner
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