(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2又1/3+(-1/2)
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(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2又1/3+(-1/2)
(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2
(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2又1/3+(-1/2)
(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2(1)0-1/2-(-3.25)+2又3/4-7又1/2 (2) (-5又1/6)-2又1/3+(-1/2)
已知sin^22又+Sin2又cos又-cos2又=1,又∈(0,∏/2),求sin又,tan又的值.
-14又2/3-11又2/15-(-12又2/3)-14+(-11又2/15)(-4又1/8)-|-1+2+0.125|-|-3又1/3|-(-6又1/7)+(-5又1/7)又怎么做
(1又2/3+2又3/4+~+7又8/9+8又9/10)除以(3又1/3+5又2/4+7又3/5+~+15又7/9+17又8/10
负32又1/2-五又1/4-(-3又1/7)+3.25+2又6/7-(负28又1/2) = = 要负32又1/2-五又1/4-(-3又1/7)+3.25+2又6/7-(负28又1/2)==
-12又2/3-(-5又1/2)+(-3又1/3)-2又1/4-12又2/3-(-5又1/2)+(-3又1/3)-2又1/4
[1又1/3减(0.2+1/3)*4.5]+13又1/2简算12又3/4-2又2/5*3又3/4/2又1/26.3/(2.6+5又1/3*1又8/7)
(-7又3/2)+(-3又3/1)+8又4分之一=(-3又二分之一)(-7又3/2)+(-3又3/1)+8又4分之一+(-3又二分之一)
(2又1/3-3又1/2+1又1/45)÷(-1又2/3)
计算(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)急,快啊
(-3又1/2)-(+5.75)+(+7又3/4)-(+12又1/4)+(-3.25)简便
(-2005又5/6)+(-2004又2/3)+4010又2/3+(-1又1/2)
计算(-2012又5/6)+(-2011又2/3)+4024又2/3+(-1又1/2)
(-2000又5/6)+(-1999又2/3)-(-4000又3/4)-(+1又1/2)
能简算的要简算:1、125又3/8x(9又2/4-3.72+3.25-1又7/25)2、(8又5/7-1.625-3又3/8)÷1又6/7
6又2/7+(12又1/3)-15-(+7又2/7)-(-12又1/3)
【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5
计算:(-4又1/4)-(+3又1/8)+(-4又7/8)-(-5又1/2)
(2012又5/6)-2013又2/3+(-5又1/2)-(-4020又3/4)