Question

1. 12, 15ab, 8b, −6, +2ab,−5

2. 3,8, −7,5, −4,25, −9,28

3. 25 ,−38 ,−59 ; 13 ,+ 12 ,−13

(3) −(−5)=

12,−13,+14 3,+4,−5

0,5,−2,2,+4,7 ; −6,5,+8,5,−1,1

Answer 1

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