[-1 2/7]•[4 2/3][3,5]+[-1 1/2]

Question

[-1 2/7]•[4 2/3]
[3,5]+[-1 1/2]

Comments

Это скобки или модули???

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Модули

Answer 1

[-1 2/7]•[4 2/3]=
9/7*14/3=6

[3,5]+[-1 1/2]=3 1/2+1 1/2=5