∵OF=cFB=ask7k^29-7>=7k>=12
5111/14 2x 11x 14x
1个回答
相关问题
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(x^2+11x+24)(x^2+14x+24)-4x^2
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(X+12)/14=(X-3)/11
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求解3x²+11x+6=x+14
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解方程:(2*5/14X+2*4/14X)-(2*3/14X+2*2/14X)=72
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(1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6
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2x+11/15=14/15 x-(2/3-1/4)=11/12
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计算(请写出必要的计算过程)(1)4/15x75,(2)17/18X11/14 +19/18x11/14,(3)9/14
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6X/(11X-14)=4/9
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11.解不等式 |x+2|〉3x+14/5
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1.X-9/2+14=11-4X-6/3