8+(-2)+(-4)+1+(-3)=怎么算?
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8+(-2)+(-4)+1+(-3)=怎么算?8+(-2)+(-4)+1+(-3)=怎么算?8+(-2)+(-4)+1+(-3)=怎么算?8-2-4+1-3
8+(-2)+(-4)+1+(-3)=怎么算?
8+(-2)+(-4)+1+(-3)=怎么算?
8+(-2)+(-4)+1+(-3)=怎么算?
8-2-4+1-3
2*()+4*8=48 怎计算谢谢
(+4/3)-(+8)+(-2 3/4)-(-1 3/2)=过程=?
)+1=()-3=()+3=()-2=8-()=()-4=()
(+3/4)-(+6.25)-(-8 1/2)-(+0.75)-22 1/4=?1
(-13)+(-15)= (-1/2)+(+1/3)= 8+(-8)= [8+(-5)]+(-4)(-13)+(-15)=(-1/2)+(+1/3)=8+(-8)=[8+(-5)]+(-4)=[(-4)+3]+(-6)=[2+(-5)+5]=
2×(3+1)×(3^2+1)×(3^4+1)×(3^8+1)+1=?
1()2()3()4()5()6()7()8()9=36填“+”,“-”
1/(1*3)+1/(2*4)+1/(3*5)+1/(4*6)+...+1/(8*10)=?
填时间量词3()+7()=1() 5()+2()=1() 5()+19()=1() 4()+8()=1()
(2-3)-(5*7-8)+11-(9-6-4)*(3+1)= (1/2-3)*(1-1/2-1/3)*(-1-1/2)*(-4)*(-2-1/3)-(-4)*(-1/8)*(2-1-1/3)*(2-1-1/3)*(2+1/3-1/2)=有负数和绝对值感激不尽
8-16= 0-(-30)= 21-(+32)=()+(-8)=-12(-20)-(-4)=(-4)-(-4)=(-8)-5=(+6)+()=-2010-18=(-14)-(-26)=(-4.3)-6.7=2.5-(-3.5)=(-2/3)-1/2=(-3/4)-(-1/3)=
8(1)(2)(3)(4)
1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8) 计算题“/” 为除号怎1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8)计算题“/” 为除号怎么写
6(3x-4)=8(4x-9)-2(2x+1)
填空题 (1)():3分之2=2:() (2)5分之2:8分之7=():() (3)4:()=():20=0.8:()%填空题(1)():3分之2=2:()(2)5分之2:8分之7=():()(3)4:()=():20=0.8:
(1)4x²=9 (2)(x-1)^3=8
2.75-[(-1/2)-(-5/6)+(-3/8)] +4又2/3=?
()()()9()8除以()()=1999,在()里填入1、2、3、4、5