Помогите 429(9,10,11,12)

Question

Помогите 429(9,10,11,12)

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Answer 1

-1-7+11 = +(11-1-7)=8
-5+9-11=9-5= 4-11 =7
-4-5+10=-9+10=1
6-11+8=-4+8=4

Comments

спс

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нез