（-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)= 的计算过程.（-5/12)x8/15x1/2x(-2/3)

（-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)= 的计算过程.（-5/12)x8/15x1/2x(-2/3) (-5)x8x(-7)x(-0.25)= （-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)= 0.625X8/5+5/8X3.2+5X1/8简算 14X3/7+0.65X8/13-2/7X14+5/13X0.65 画出求1X3+ 2X4+ 3X5+ 4X6+ 5X7+ 6X8+ 7X8的值的程序框图 把下列多项式分解为因式.1)8m-162)2x3次方-14x3)7x-56x3次方4)6m(a-b)+3n(a-b)5)6(a-1)2次方+2a(a-1)6)8(x+2)(x-4)-6(x-2)(x-4)7)a2次方-a+ax-x8)3-3r+s-sr9)3y3次方+212次方-y-710)mx-my-2nx+2ny11)15x2次方+5x-30xy-10y 23X5/221/2-5/6X1/2(5/12-7/18)X363/4X8/9-1/37/9+7/9X85/8X7-5/8X3 1.5/6()5/6x3/12.26x7/7()26 x是乘的意思啊3.5/8x3（）3 题目是（在括号中填上大于或小于）拜托了.4.2/3x5()2/35.3/4x8/9()3/46.4/11x7/8()4/11x5计算下列各题，能简算的要简算1.(5/12+4/49）x122.3/4x3/7+4/7x3/43.4.3x9+4. 解方程：十万火急!· ___ ·|||x/4=(2x-18)/5 15x-10(10-x)=100 5x+(2.1-8x)/5X8=1.8 4x-(300-3x)=40X3 3x-5+2x=4x-3 （-1/12）x8/15x(-2/3)x（-9/4）怎么计算呀 解下列方程.(5x-12)x8=24 (100-3x)÷2=8 (5x一12)x8=24 (100-3x)÷2=8 (5X-12)x8=24 (100-3X)÷2=8 1.25/47=0.75:x 8/x=2/5 0.6/19=1.5:x 3/4:5/12=x:2/1.25/47=0.75:x8/x=2/50.6/19=1.5:x3/4:5/12=x:2/30.75:x=1:7/51/2:x=1/6:2/5x:4.2=0.9/1.051/2:1/10=1/4:x3.7×5-2x=3/4x 1x2+2x3+3x4+4x5+5x6+6x7+7x8+8x9+9x10+10x11 1/1x3+1/2x4+1/3x5+1/4x6+1/5x7+1/6x8 1x2+2x3+3x4+4x5+5x6+6x7+7x8+8x9= 化简(1/a-x)-(1/a+x）-（2x/a2+x2）-(4x3/a4+x4)-(8x7/a8+x8) (x2意思是x的平方)