Question

80- [130- (12- 4) mẫu 2]

Answer 1

lỗi mẫu=>mũ nhé

=14

Answer 2

\(80-\left[130-\dfrac{\left(12-4\right)}{2}\right]=80-\left(130-4\right)\)

\(=80-126-46\)

Answer 3

80-[130-(12-4)^2]

= 80-[130-(8)^2]

=80-[130-64]

=80-66

=14

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