1-1=1/1=1
-11=-1
(-1) 1=-1
(-1) -1=-1
-1-1=1/-1=-1
1-2=1/1=1
-12=-1
(-1)2=1
(-1)-2=1
-1-2=1
2-2=1/4=0.25
-22=-4
(-2)2=4
(-2)-2=1/4=0.25
-2-2=1/-4=-0.25
4-2=1/8=0.125
3-1=1/3
3-4=1/81
7,120=1
5-1+4-1=1/5+1/4=0.2+0.25=0.45
(5+4)-1=1/9
4-1-5-1=1/4-1/5=0.25-0.20=0.05
(3-1-5-1)-2=(1/3-1/5)-2=1:2/15= 15/8
2-3+4-2=1/8+1/16=2+1/16=0.1875
3-2-9-1=1/9+1/9=2/9
42*2-3=24*2-3=24-3=2
3-4:9-2=1/81:1/18= 18/81=2/9
50=(-5)0
5-2<52
(-2) 3<(-2) 0
-32<(-3)2
(-2) 4>2-4
-24>2-4
2-3>0
(-2)3<0
(-2)-3>0
-23<0
2-4>0
(-2)4>0
(-2)-4>0
-24>0
a3*a4=a7
a4*a=a5
a13:a6=a7
a12:a=a11
(a4)6=a24
(a2)5=a10
a7*b7=(ab)7
a4*b4=(ab)4
a5:a6=a-1
a7:a6=a1
a4:a=a3
a12:a12=1
a-4:a6=a-10
a4:a-5=a9
a-11:a-8=a-3
a4:a=a-5