(-2/3)+丨0-5 1/6丨+丨-4 5/8丨+(-9

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(-2/3)+丨0-5 1/6丨+丨-4 5/8丨+(-9
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(-2/3)+丨0-5 1/6丨+丨-4 5/8丨+(-9
(-2/3)+丨0-5 1/6丨+丨-4 5/8丨+(-9

(-2/3)+丨0-5 1/6丨+丨-4 5/8丨+(-9

-2/3+31/6+37/8-28/3
=-2/3-28/3+31/6+37/8
=-26/3+31/6+37/8=-208/24+124/24+111/24
= -1又1/8

(1)+丨-5丨+丨+6丨 (2)丨-8丨-丨+6丨 (3)丨-10丨÷丨+2丨 (4)丨-6(1)+丨-5丨+丨+6丨 (2)丨-8丨-丨+6丨 (3)丨-10丨÷丨+2丨 (4)丨-6丨×丨-8丨 计算:上面的四条题 (-2/3)+丨0-5 1/6丨+丨-4 5/8丨+(-9 (-2/3)+丨0-5又1/6丨+丨-4又5/6丨+(-9又1/3) 甲乙比赛的分如茎叶图所示,则两人得分中位数之和是多少甲 丨 丨 乙-------------------------------------------------- 7 8 丨0丨 4 6 3 丨1丨2 53 6 8 丨2丨5 43 8 9 丨3丨1 6 1 6 7 92 丨4丨4 91 丨5丨0 D=丨1 2 3丨D=丨4 0 5丨D=丨-1 0 6丨 计算行列式的值D, 判断下列各式是否正确 (1)丨-a丨=丨a丨.( )(2)-丨a丨=丨-a丨.( )(3)丨a丨/a=a/丨a丨(a≠0).( )(4)若丨a丨=丨b丨,则a=b.( ) (5)若a=b,则丨a丨=丨b丨.( )(6)若丨a丨>丨b丨, 1.已知丨1-a丨+丨2b-4丨=0,求3a-b的值.2.若丨X-4丨+丨Y-5丨+丨2-6丨=C 求丨x-1丨+丨x-2丨+丨x-3丨+丨x-4丨+丨x+5丨的最小值 丨1/3-1/2丨+丨1/4-1/3丨+丨1/5-1/4丨+.+丨1/10-1/9丨=?”丨“绝对值 丨3.7丨=____;丨+13丨=_____;丨+4分之3丨_____;丨-10丨=____;丨-2十1分之4丨=_____;丨-0.03丨_____;丨0丨(1)丨3.7丨=____;丨+13丨=_____;丨+4分之3丨_____;丨-10丨=____;丨-2十1分之4丨=_____;丨-0.03丨_____;丨0丨 (2 【急】解不等式:(1)丨x-3丨+丨x-5丨>=4 (2)丨x-2丨+丨x+3丨>=4【急】解不等式:(1)丨x-3丨+丨x-5丨>=4 (2)丨x-2丨+丨x+3丨>=4 (3)丨x-1丨+丨x-2丨 丨1/4-1/3丨+丨1/5-1/4丨+丨1/6-1/5丨+…丨1/20-1/19丨 计算:丨1/3-1/2丨+丨1/4-1/3丨+丨1/5-1/4丨+…+丨1/2012-1/2011丨 明天交 丨1/3-1/2丨+丨1/4-1/3丨+丨1/5-1/4丨+...+丨1/2012-1/2011丨= 丨1/2-1/3 丨+丨1/3-1/4丨+丨1/4-1/5丨+.+丨1/99-1/100丨连同步骤一起 丨3/1-2/1丨+丨4/1-3/1丨+丨5/1-4/1丨+...+丨2011/1-2010/1丨=? 丨1/2-1/3丨+丨1/3-1/4丨+丨1/4-1/5丨+…+丨1/2014-1/2015丨 ①丨-x丨=丨-2丨,x=() ②丨a丨=4,丨b丨=3,a+b=() ③丨x-2丨+丨y+3丨+丨z-5丨=0,xyz各是多少,③丨x-2丨+丨y+3丨+丨z-5丨=0,x、y、z各是多少,求丨x丨+丨y丨+丨z丨的值.