8+(-6.45)-42+9 1

(-20)+(+3)-(-5)-7

(-8)+ 10+2-57

5.9+8.4-(-78)+(-3.8)

4.8-(-69)+6.5-(-77)

(-8)-6 1-(3 1)+(-2.9)

9.3+(-7.2)-(+3)+5.2

(-5)+ 13-(-5.8)-(-54)

(+ 13)-9.6+(-20)

(-3/2)+(-4/3)+(-5/4)+(-6/5)+(-7/6)-(-8/7)

23+(- 17)+6+(-22)

-2+3+9-(4/3-6/ 1)

54.6-(-3/4+ 1.6-4-3/4)

1/2+3+5/6-7/ 12

39+[-23]+0+[- 16]

[- 18]+29+[-52]+60

[-3]+[-2]+[- 1]+0+ 1+2

[-30 1]+ 125+30 1+[-75]

[- 1]+[- 1/2]+3/4+[- 1/4]

[-7/2]+5/6+[-0.5]+4/5+ 19/6

[-26.54]+[-6. 14]+ 18.54+6. 14

1. 125+[- 17/5]+[- 1/8]+[-0.6]

+4+(-8)+9+7+(-9)-(-5)

23+(- 17)+6+(-22)

-2+3+ 1+(-3)+2+(-4)

(- 17/4)+(- 10/3)+(+ 13/3)+( 1 1/3)

(- 1.8)+(+0.2)+(- 1.7)+(0. 1)+(+ 1.8)+(+ 1.4)

|(-7.2)-(-6.3)+( 1. 1)|

|(-5/4)-(-3/4)|-| 1-5/4-|-3/4|)

(-27)(-25)(-3)(-4)

(-3/2)(-4/3)(-5/4)(-6/5)(-7/6)(-8/7)

3.9-(+ 10)+(-2)-(-8)+ 5

53/ 1+(-4/3)+ 13/2-8.25

-0.00 1+0.9 18-(44/ 1)+3.335

39+[-23]+0+[- 16]=

[- 18]+29+[-52]+60=

[-3]+[-2]+[- 1]+0+ 1+2=

[-30 1]+ 125+30 1+[-75]=

[- 1]+[- 1/2]+[+3/4]+[- 1/4]=

[-7/2]+[+5/6]+[-0.5]+4/5+ 19/6=

[-26.54]+[-6. 14]+ 18.54+6. 14=

1. 125+[- 17/5]+[- 1/8]+[-0.6]=

[- 1]+[- 1/2]+[+3/4]+[- 1/4]=

[-7/2]+[+5/6]+[-0.5]+4/5+ 19/6=

[-26.54]+[-6. 14]+ 18.54+6. 14=

1. 125+[- 17/5]+[- 1/8]+[-0.6]=

0.75+[-11/4]+0.125+12 and 5/7+[-3/8]=

[-4/9]+[-3/5]+[+ 1 1/8]+[+5/9]+[- 1/8]+[-0.4]=

Is it okay?