describe how you regroup when you find the sum of 64 + 43

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20-01-2016
Mathematics

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describe how you regroup when you find the sum of 64 + 43

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piakhaira piakhaira · Answer 1 · 2016-01-20T02:36:08+01:00

piakhaira piakhaira

20-01-2016

all i do is i think of 4+3 which equals 7 and then 6+4 which equals 10 then i put the numbers together.

so my answer is 107

64
43
----------------
107

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Billymkhoi Billymkhoi · Answer 2 · 2016-01-20T03:12:37+01:00

Billymkhoi Billymkhoi

20-01-2016

64+ 43
= (60+4)+ (40+3)
= (60+40)+ (4+3) (combine like terms)
= 100+7
= 107

The final answer is 107~

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