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Mathematics, 24.07.2021 14:00 Gclaytor7880

Cho biểu thức : A=(√x+1)/(√x-2) +(2√x)/(√x+2 )+(2+5√x)/(4-x) a. Rút gọn A
b. Tính giá trị của A khi x=2
c. Tính giá trị của A khi X-5√x+6=0

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Cho biểu thức : A=(√x+1)/(√x-2) +(2√x)/(√x+2 )+(2+5√x)/(4-x) a. Rút gọn A
b. Tính giá trị của...

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