(-2/3)+0.25-1/6-0.5

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(-2/3)+0.25-1/6-0.5

(-2/3)+0.25-1/6-0.5
(-2/3)+0.25-1/6-0.5

(-2/3)+0.25-1/6-0.5
-4/6-1/6-1/4=-13/12

(-2/3)+0.25-1/6-0.5 (0.5+0.25+0.125)/(0.5*0.25*0.125)*7/18*9/2+1/6/131/3-15/4*16/5 (1)5.57-[(-3/8)+(0.5)-(-5/6)+4又2/3]-1/8 (2)0.25+2(1)5.57-[(-3/8)+(0.5)-(-5/6)+4又2/3]-1/8(2)0.25+2又1/4+3.75-1又1/2-3又1/4(3)3又1/2-(-5又1/4)+(-3又1/3)-0.25+1/6(4)4.3+(-2又4/5)-( |-0.25| - 【+(-5.75)】 + |0.1| - |-(+0.5)| 2.1又3/4 - 2又1/6 - 1.75 + 3又2/3 3.3又1/4 + (-2又3/5) + (- 已知f(0.5x-1)=2x+3,且f(m)=6,则m等于A -0.25 B 0.25 C 1.5 D -1.5 -1-(0.5-2/3)除1/3*[-2-(-27)|1/8-0.25|= 7/2+9/4+(-1/3)-0.25+(-1/6) 简算,(3/1-0.25)/2/1+6/5 初一数学计算(-2/3+0.25-1/6-1/2)-2/3+0.25-1/6-1/2== 找规律填数:2,0.5,( ),0.03125. 1:0.25 2:0.125找规律填数:2,0.5,( ),0.03125. 1:0.25 2:0.125 3:0.35 1-(0.5-4/9)*3*{-2-(-27)}-|1/8-0.25| (1)0.5a^2(x-2a)^2-0.25a(2a-x)^3(2)-0.25(2a-b)^2+4(a-0.5b)^2(3)5(x-y)^3+10(y-x)^2(4)2a(x-a)+4b(a-x)-6c(x-a)(5)(x^2-6X)^2+18(x^2-6x)+81 —0.25+(5/6)+(2/3)-0.5=多少? (x+2)/(0.25)+x/(0.5)=1 填运算符号和括号(1)1 2 3 4 5 6 7 8 9=100(2)1 2 3 4 5 6=30(3)0.1 0.2 0.3 0.4 0.5=0.25 【1-(0.5-0.25)】*0. 计算 :|-7.375+4.5|-|-18.25|+|-6-0.5|计算 :|-7 3/8+4 1/2|-|-18 1/4|+|-6-1/2|原式=-7 3/8+4 1/2-18 1/4+6+ 1/2=(-7+6+4-18)+(0.5+0.5)+(-0.375-0.25)=-15+1-5/8=-14 5/8回答:(1)上述解答过程是否有错误?_____________________________( 160乘25%-1.3x=17.9 x/5-x/6=0.4 3(x+2)=40+11 0.3/0.5=x+1/2x-1 2.5/(x—0.5)=25% 1/3:0.25=80%:x160乘25%-1.3x=17.9x/5-x/6=0.43(x+2)=40+110.3/0.5=x+1/2x-12.5/(x—0.5)=25%1/3:0.25=80%:x