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5 votes
Write an expression that can be used to multiply 6x198 mentally

User Shazam
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2 Answers

6 votes
Do a mental sum for 6 x 200 (1200) then subtract 6x 2 (12) to give you 1188.
User AgiaLab
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3 votes
(6x100)+(6x90)+(6x8)

User Aviel Fedida
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