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

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

User Aviel Fedida
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