[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/5]^2x(-4/3)^3}/=分号 ^数字=次方 :=除 x=乘

来源：学生作业帮助网编辑：作业帮时间：2024/11/16 03:30:13

[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/5]^2x(-4/3)^3}/=分号 ^数字=次方 :=除 x=乘
[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/5]^2x(-4/3)^3}
　　=[(1-1/4-5/12)^3÷(1/3-1/2)^2-(3/2)^（-2）]÷{[(-4)^(-3)÷(1/8-3/4)-2/5]^2x(-4/3)^3}
　　=[(1/3)^3÷(-1/6)^2-(2/3)^2]÷{[(-1/4)^3÷(-5/8)-2/5]^2x(-4/3)^3}
　　=[(1/27)÷(1/36)-(4/9)]÷{[(-1/64)÷(-5/8)-2/5]^2x(-64/27)}
　　=[(1/27)x36)-(4/9)]÷{[(-1/64)x(-8/5)-2/5]^2x(-64/27)}
　　=[(4/3)-(4/9)]÷{[(1/40)-2/5]^2x(-64/27)}
　　=[8/9]÷{[-3/8]^2x(-64/27)}
　　=[8/9]÷{[9/64]x(-64/27)}
　　=[8/9]÷{-1/3}
　　=-(8/9)x3
　　=-8/3
　　=-二又三分之二.

1/3+4*(5+5/12) 1/1*2*3+1/2*3*4+1/3*4*5+.1/11*12*13 0.25+12/1+（-3/2）-4/1-12/5 (5/12+1/6-3/4)×(-24) 12×1/4 15×3/5 1-2 5/12-1 1/4-3 13/15+2 1/5+1 3/15 找规律填空：1/12,1/6,1/4,1/3,5/12,1/2,（）. 按规律写数:1/12,1/6,1/4,1/3,5/12,1/2,( ) 2/1 3/1 4/1 5/1 6/1 8/1 10/1 12/1 15/1 20/1 递等式计算 1/2-1/3+1/4-1/5+1/6-1/12 1/2-1/3+1/4-1/5+1/6-1/12 简便计算下题.1/2-1/3+1/4-1/5+1/6-1/12 1+2/3*5+3/5*8+4/8*12+5/12*17+1/17 1+2/3*5+3/5*8+4/8*12+5/12*17+1/17 1/4+5/12+1/3用简便运算 5/12-x+1/4=1/3 x-(1/3-1/4)=5/12 1/36÷（-1/4-5/3+7/12）