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multiply 12x17 using the Russian peasant method

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Iloveonedirectionid
[[work is attached]]

Steps:
1) Divide the first number by 2 until you get to 1 (ignore decimals)
2) Multiply the second number so you have as many answers as the first
3) Cross out answers in the second column that match with an even answer in the first
4) Add the numbers that are left in the second column

Answer: 204
View image Iloveonedirection
Mariamikaylaid
half          double
12              17     we cut it
6                 34     we cut it with a line
3                 68
1                 136
..........................  
   12 x 7=  (68+136)

12 x 7= 204

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