01-12-2016
Mathematics

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write an expression that can be used to multiply 6 x 198 mentally? please answer thanks!

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YanaMachelle YanaMachelle

01-12-2016

Assuming you meant 6 x 198... Do a mental sum for 6 x 200 (1200) then subtract 6

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Combofied Combofied

01-12-2016

-6 x 2 + 6 x 200. Since you want to find out 6 multiplied by 198 the easiest way (for me) would be to round it and then substract 12 since 200-198 is equal to 2 and 6 x 2 is equal to 12

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