25×0.75-(-25)×0.5+25×(-0.25)要过成
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25×0.75-(-25)×0.5+25×(-0.25)要过成25×0.75-(-25)×0.5+25×(-0.25)要过成25×0.75-(-25)×0.5+25×(-0.25)要过成25×0.75
25×0.75-(-25)×0.5+25×(-0.25)要过成
25×0.75-(-25)×0.5+25×(-0.25)
要过成
25×0.75-(-25)×0.5+25×(-0.25)要过成
25×0.75-(-25)×0.5+25×(-0.25)
=75X0.25+50X0.25-25X0.25
=100X0.25
=25
25×0.75-(-25)×0.5+25×(-0.25)要过成
-(+25)化简
'25×(-4-25分之一)怎么算
2.15+(-4.25)+(-0.75)+(-二十分之三)
25×四分之三-(-25)×二分之一+25×四分之一 等于多少,
求下列几道解方程1.4X-1.6×5=1.812÷(0.5X-1)=69x3-1.7X=13.41.8÷(X-0.3)=0.6(X-0.75)÷1.5=76x(X-)=160%X+25=40
4/3(x-25)=55+25
(25-5)×x=24×25 要有公式
(x-6)×6=25
速算与巧算![26×(6-2.5)÷0.5-25]×0.2 1993×20002000-2000×1993199379.31×0.6783×0.25+23.56+6.783×7.931×0.75-0.125×0.7931×67.83×8987×19861986-1986×19871987 6.8×0.32+0.32×4.2-8÷2528.67×67+3.2×286.7+573.4×0.
..25×3/4-(-25)×1/2+25÷(-4)(-4)÷「1.25+(2-5/4)×8」
(-35)÷5-(-25)×(-4)
(3分之√25-√8分之1)-2(√0.5+√3分之1)
(-36)-(-25)-(+36)等于多少
0.5x+0.75乘以20等于25
-2,-1,6,25,62,( )
2000-586-114×25简算
(-421)×(-4分之1)-0.25×(-7又2分之1)-28.5×25%