2/3除以(5-5/3)x5/6=
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2/3除以(5-5/3)x5/6=
![2/3除以(5-5/3)x5/6=](/uploads/image/z/20234004-60-4.jpg?t=2%2F3%E9%99%A4%E4%BB%A5%285-5%2F3%29x5%2F6%3D)
2/4÷(5-5/3)×5/6
=2/4÷10/3×5/6
=2/4×3/10×5/6
=3/20×5/6
=5/40
=1/8
再问: 是2/3
再答: 2/3÷(5-5/3)×5/6
=2/3÷10/3×5/6
=2/3×3/10×5/6
=3/15×5/6
=5/30
=1/6
再问: 谢谢!我已经采纳了
=2/4÷10/3×5/6
=2/4×3/10×5/6
=3/20×5/6
=5/40
=1/8
再问: 是2/3
再答: 2/3÷(5-5/3)×5/6
=2/3÷10/3×5/6
=2/3×3/10×5/6
=3/15×5/6
=5/30
=1/6
再问: 谢谢!我已经采纳了
1x5+2x5+3x5+4x5+5x5… 麻烦给我一个公式.
(3分之2减2分之1)除以(6分之5x5分之3) 用简便方法
3/2 x 5/7 - (-5/7)x5/2 +(-1/2) 除以7/5 等于多少,
解方程组X2+X3+X4=1 X1+X2+X3=5 X3+X4+X5=-5 X4+X5+X1=-3 X5+X1+X2=2
X1 - X3 - X4 -5X5=0 X1+2X2+3X3+3X4+7X5=0 X1+X2+X3+X4+X5=0 X2
7/5x5/6-5/7除以6/5 12X(3/4-5/12+1/6) (7/8-5/16)除以(1/2+1/6) = =
1除以2除以3除以4除以5除以6除以7除以8除以9=2.8
简便计算 1/5x8除以4/5 (26+26/53)除以13 (2/5-1/3)x5/2
1除以(2除以3)除以(3除以4)除以(4除以5)除以(5除以6)除以(6除以7)=
简单线代题///X1+X2+X3+X4+X5=13X1+2X2+X3+X4+3X5=0 X2+2X3+2X4+6X5=3
解一道方程组x1+x2+x3=5,x2+x3+x4=1,x3+x4+x5=-5,x4+x5+x1=-3,x5+x1+x2
求解一个方程急 X(1次方)+X2+X3=5 X2+X3+X4=1 X3+X4+X5=-5 X4+X5+X1=-3 X5