48.28+(1.7-0.17)-19.86
奥数计算题:(0.37+0.29+2)×﹙0.37+0.29+0.17﹚-﹙2+0.37+0.29+0.17﹚×﹙0.3
- |- 0.25 |+(+4分之3)-(-0.125)+|-0.75|
计算:(-6)-(+5)+(-9)+(-4)-(-9)
15-(7-4x)=2x+(5-2x) 4分之X减8分之3X减1=1 0.7分之X-0.03分之0.17-0.2X=1
(40)-(+27)+19.24-(-32) -9-(-2)+(-3)-4
化简:+(-8)= -[-(-2)]= -[-(+2)]=
-(-1)=?-[+(-1)]=?-[-(-1)]=?
10-【-(-4)】+(-3)-5
-2+(-2)²+(-2)³-2³等于
(-5)+3
(-32)+68+(-29)+(-68)=
(-42)+57+(-84)+(-23)