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7.8x一24x=1.o8 3(x一4)=6 2(x十1)=6 (x一3)除以2=7·
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相关问题
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4X-24=2X+20 2X(X-0.7)=4.8 0.6X+3X2.5=67.5 (X-7)除以3=8 5X-1.5X
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一1又2/7除(一1又5/6)X1又3/8X(一7)
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2×0.6+3x=6 7x一9X3=29 3(x—1.8)=15.3 4(x十3.1)=
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分解因式(x'2十x一6)(x'2十x一8)一24;(x十1)(x一2)(x一3)(x一6)十20;
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2x+8.4 6.3一4.8x 3(x一|.2)=11.4 5.5-1.7x2=13.|
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1.-3-2x(-5) 2.8-(-6)x(-7+5) 3.7-24x(-1/3+5/6)
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2/3x除以4/5=3/8 x除以3/14=7/6
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4X6+24除以6一5=15 4X6+24除以6一5=3 4X6+24除以6一5=35 4X6+2