(x÷ 2/3)—(2/3x+3)=32 x=42是怎么算的
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(x÷ 2/3)—(2/3x+3)=32 x=42是怎么算的
(x÷ 2/3)—(2/3x+3)=32 x=42是怎么算的
(x÷ 2/3)—(2/3x+3)=32 x=42是怎么算的
(x÷ 2/3)—(2/3x+3)=32
3x/2-2x/3-3=32
5x/6=35
x=35×6/5
=42
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
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(x+2)(x+3)=x²+5x+6得能被——整除,且当x=——时,x²+5x+6=0;因为(x-2)(x+3)=x²+x-6,所以(x²+x-6)÷(x-2)=x+3,即x²+x-6能被x-2整除,所以x-2是x²的一个因式,且当x=2时,x²+x-
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若x=3/x,则[(x^2-6x+9)/(x+3)]÷[﹙x-3﹚/﹙x^2+6x+9﹚]=?