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X-5+9-3+8+2+6=2X
4个回答
相关问题
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1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
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2.1X+7.9X=6.9 5X+0.8×2=7.12X+5.8=8.2 6X-3×4=1.2
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7/9x(-8/9)+2/9x(-8/9) 2/3x(-5/8)-(-1/3)x(-5/8) -9除以3+(1/2-2/
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3(x-2.4)=8.4 8.5X1.2-x=6.6 4X2.3+2x=9.8怎样解方程
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4.8+x-2.5=6.3-2.9
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4x15/2= 12/5x8= 3/1x4/1= 9/8x10= 6x12/11= 9/2x5/3= 14/6x9/7=
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①27x-4x=34.5②3x2.8=4.3③12x-24=6④5.8+2x=20五6.9x-4.1=9.7⑥3.6x+
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4.5x-6.9=30.4.8+7x=6.9.0.8x-1.2*4=3.2.
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解方程：①[1/3]x+[5/6]x=[1/6] ②[9/2]÷x=8 ③2x-[3/4]x=[3/8]．