waffles10 waffles10

15-10-2015
Mathematics

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What problem is Chen checking 152x4=608+2=610

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leonessa leonessa

15-10-2015

the +2 is a reminder to add when he multiply 4*1 (4*1=4+2=6)
4*2=8
4*5=20 (so he writes the 0 with a remainder of 2)
4*1=4+2=6
so,
152x4= 608

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