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Sue want to use mental math 7x53
asked
May 16, 2017
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Sue want to use mental math 7x53
Mathematics
middle-school
Laszlopanaflex
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Laszlopanaflex
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53 -3 = 50
7 times 50 = 350
7 times 3 = 21
350 + 21 = 371.
Rajendra Khabiya
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May 17, 2017
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Rajendra Khabiya
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4
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Break the
53
into
10 10 10 10
and
10
Then 10x7=70
10x7=70
10x7=70
10x7=70
10x7=70
Alexander Balte
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May 21, 2017
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Alexander Balte
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