Mathematics
Junior High

何度もごめんなさい、、
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Answers

正の整数A.Bをそれぞれ6a+2,6b+5と表す
①(6a+2)+3(6b+5)
6a+2+18b+15
6a+18b+17
6(a+3b+2)+5
A.余り5

②(6a+2)(6b+5)
36ab+30a+12b+10
6(6ab+5a+2b+1)+4
A.余り4

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