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Fofino [41]
3 years ago
9

Sue want to use mental math 7x53

Mathematics
2 answers:
astra-53 [7]3 years ago
6 0
53 -3 = 50
7 times 50 = 350
7 times 3 = 21 
350 + 21 = 371.
Alina [70]3 years ago
4 0
Break the 53 into 10 10 10 10 and 10

Then 10x7=70

10x7=70 

10x7=70

10x7=70 

10x7=70       
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