(-3)-(-4)+19-11=?(-5)-9+3-(-4)=?
10-【-(-4)】+(-3)-5
(40)-(+27)+19.24-(-32) -9-(-2)+(-3)-4
计算:(-6)-(+5)+(-9)+(-4)-(-9)
- |- 0.25 |+(+4分之3)-(-0.125)+|-0.75|
数学题目: --------—4+(-5)=-12 -15- ----------+(-1)=8 -9--------+
已知向量OA=(3,-4),OB=(6,-3),OC=(5-m,-(3+m))
几道计算题求速度(1)-9×(-11)-96÷(-8)(2)7-(3/8+1/6-3/4)×24(3)-1的100次方-
数学题(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,
(1)1-4分之4-3x=6分之5x+3-x
几道初一计算题3×(-9)+7×(-9)(5/4-7/6)×(-8/7)(-54)/6/(-3)2×〔5+(-2)&su
用有理数计算6-9;(+4)-(-7);(-5)-(-8)
求这些题的解 -40-28-(-19)+(-24); 化简 (8a-6a)-(4a-5a)+(3a-2b)