-12.75x(-0.75)+(-1.75)X四分之三简便方法?发错了,是-2.75x(-0.75)+(-1.75)X四分之三简便方法
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![-12.75x(-0.75)+(-1.75)X四分之三简便方法?发错了,是-2.75x(-0.75)+(-1.75)X四分之三简便方法](/uploads/image/z/1257024-48-4.jpg?t=-12.75x%28-0.75%29%2B%28-1.75%29X%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%3F%E5%8F%91%E9%94%99%E4%BA%86%2C%E6%98%AF-2.75x%28-0.75%29%2B%28-1.75%29X%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95)
-12.75x(-0.75)+(-1.75)X四分之三简便方法?发错了,是-2.75x(-0.75)+(-1.75)X四分之三简便方法
-12.75x(-0.75)+(-1.75)X四分之三简便方法?
发错了,是-2.75x(-0.75)+(-1.75)X四分之三简便方法
-12.75x(-0.75)+(-1.75)X四分之三简便方法?发错了,是-2.75x(-0.75)+(-1.75)X四分之三简便方法
-2.75x(-0.75)+(-1.75)X四分之三
= -2.75*(-0.75)+1.75*(-0.75)
= -0.75*(-2.75+1.75)
= -0.75*(-1)
=0.75
x-0.75x
x+0.75x/0.
(1.7-2x)/0.3=x/0.7-1,(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
2.6x-x-0.1x=0.75
X-15%X=1.7
0.75x+x=17.5
x-25%x=0.75
x-0.75x=1.
-12.75x(-0.75)+(-1.75)X四分之三简便方法?发错了,是-2.75x(-0.75)+(-1.75)X四分之三简便方法
(X-12)/4=4.5 5*(X+2.4)=25.5 4*(90-6*X)=48 4*(35-X)=84 6*X-0.75*40=6 2*(X+1.7)=9.2解出来,并检算.
12.75X—8.5X×4=0.925.求X.
10x-3.14*x*x*0.25=3.14*x*x*0.75 怎么算
1.7x-120%x=6.5 x=?
x-1=0.75x 能求x么?
0.15+x-0.75x=25求X
12.5x-0.75x+3=7.3-1.5x
数学题x-0.75x=5 求x是多少
x等于0.75x减2.5.x等于多少?