Question

Câu 1: Tính hợp lí

Answer 1

Tham khảo: https://hoc247.net/hoi-dap/toan-6/tinh-a-b-voi-a-34-7-13-51-13-22-85-22-37-68-37-49-faq162600.html

Answer 2

\(C=\left(\dfrac{12}{199}+\dfrac{23}{200}-\dfrac{34}{201}\right).\left(\dfrac{1}{2}-\dfrac{1}{3}-\dfrac{1}{6}\right)\)

\(C=\left(\dfrac{12}{199}+\dfrac{23}{200}-\dfrac{34}{201}\right).0\)

\(C=0\)