joneubank93
joneubank93
28-11-2017
Mathematics
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How do u do mental math for 53 x 7
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r6868o8
r6868o8
28-11-2017
easy!!!! you first multiply 7 x 5 which is equal to 35 and just add another 0 to that because the number is 50 not 5, so we have 350 and then just multiply 7 x 3 which is 21 and add that up to 350, and the final result being 371
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