What is the missing number in the boxes

Mathematics

1 answer:

snow_tiger [21]3 years ago

5 0

(311&1/4-186&3/4)/(5-3)=62&1/4
so the difference between each adjacent number is 62&1/4
when the top number is 4, the bottom number is 186&3/4+62&1/4=249 (a)
when the top number is 4, the bottom number is 311&1/4+62&1/4=373&1/2 (b)
C=10

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so, just change C to +3, thus C/B is 3/1

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