X\(3\4X - 66)=9\4
2个回答
X(34X - 66)=94
9×(3/4X-66)=4×X
27/4X-22/3=4X
27/4X-4X=22/3
11/4X=22/3
X=22/3÷11/4
X=8/3
相关问题
3 x 6 = 27 4 x 9 = 52 6 x 5 = 66 2 x 23 =
4X+5X=1281.66 4X+5X=1281.66 其中X为平均数
(x-66)÷3×4=x(1-20%)
5x+4x-24=66
解方程.(1)576÷x=2×9(2)13x+8.6-5x=36.2(3)6(x-0.3)=1.8(4)66.6-4x=
解〔5X+9(66-X)〕*82% =5X*85%+9(66-X)*80%
2x-3y+z=28 3x+4y+z=56 4x+5y-z=66
(x-66)÷3×4=x(1-20%)怎么做
计算(1)(3x+4)(3x-4) (2)(2x+1)(2x+3) (3)(9x+4y)(9x-4y)
2x+3y+z=38 ① 3x+4y+2z=56 ② 4x+5y+z=66 ③