(0.125)+(-0.75)+(-3/4)+1/8+1
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- |- 0.25 |+(+4分之3)-(-0.125)+|-0.75|
(0.125)+(-0.75)+(-3/4)+1/8+1
1.25×5分之3+0.75×0.6-60%
⑴﹙+0.125﹚+﹙3¼﹚+﹙-3⅛﹚-⅛-﹙-¼﹚
化简下列各数 -(-68) -(+0.75)-(-5分之3)-(+3.8)
-0.125-13.1+25又5分之3-5又8分之7-25 .6
化简下列各数 -(-68),-(+0.75),-(+3.8)
-100×八分之一-0.125×35.5+14.5×(-0.125)
(0.5)^-²-2³×0.125+2007º+|-1|
化简.-(+3)=( )-(-3)=( )-[-(+7)])=( )-{-[-(-7)]}=( )
简算1-2+3-4+5-6+7-8+…+95-96+97-98+99
10-【-(-4)】+(-3)-56-【-6-(-3)+4】8-【-11-(-4)+8】【-8+(-3)】² +【-14+(-6)】【-15+(-4)】² +【-19+(-3)】详细一点的算式.
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.
⑴0.125+﹙+3¼﹚+﹙﹣3⅛﹚+﹙+3⅛﹚+﹙+⅞﹚+﹙﹣0.25﹚=多少?⑵﹙+3/17﹚+﹙-3.36﹚+[﹙+7.36﹚+﹙+14/17﹚]=多少?⑶(+1﹚+﹙-2﹚........+﹙+99﹚+﹙-100﹚
100+99-98+97-96+…+3-2+1
-1+3-5+7-… -17+19
2002+2001-2000-1999+1998+1997-1996-1995+……+10+9-8-7+6+5-4-3+2+1=?
1-3+5-7+9-11+…+97-99+100=?