=456464
5x+54+9x-8=3x+85
1个回答
相关问题
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((85-X)/11+X)/9=((85-X)-((85-X)/11))/8
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12x+5-63x=54-85x解方程,
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(5x*0.85+9(66-x)*0.8)/(5x+9(66-x))=1-0.18
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解方程:15+2/3x=85 x-1/5x=1/2 4x+1/3x=8/9
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3【X+8.5]=54
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解方程85+[(x-85)*8/15-3]+[(x-85)8/15-3]-15=x
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1.9 - x = 1.5x2.0.5x × 8 +0.4×4=10.43.3x - 3= x+54.8 (4+x)-2
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1.48x(3/4-1/6)2.3/4x4/9+5/9x3/43.1/5x1/8+7/8x1/54.12x(1/2+1/
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8.9X9.9+11X0.99;3.46X1.23+3.46X4.56+5.79X6.54的简便计算
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解〔5X+9(66-X)〕*82% =5X*85%+9(66-X)*80%