Mathematics, 23.08.2021 16:40 arpita111

bài 1 : cho các biểu thức A = ( 5 căn 2 - 5/4 . căn 32 + căn 200) : căn 8 và B = ( căn x + 1 / căn x - 2 + 1/ căn x + 2 - 4 / 4 - x ) : 1/ căn x - 2 với x lớn hơn hoạc bằng 0 ; x khác 4 1 : rút gọn A và B 2 : tìm giá trị của x để b > A / 2

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bài 1 : cho các biểu thức A = ( 5 căn 2 - 5/4 . căn 32 + căn 200) : căn 8 và B = ( căn x + 1 / căn x...

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