| Question | Answer |
| 4.6+7.3=a | a=11.9 | -4.9+(-12.6)=b | b=-17.5 | 6.7+(-5.2)=c | c=1.5 | -7.4+2.6=d | d=-4.8 | 6.8+9.2=e | e=16.0 | -9.4+(-8.3)=f | f=-17.7\ | 5.6+(-2.7)=g | g=2.9 | -8.6+1.7=h | h=6.9 | 7.4-2.7=i | i=4.7 | -4.2-(-2.4)=j | j=-1.8 | 4.9-(-6.2)=k | k=11.1 | -5.2-9.6=l | l=-14.8 | 6.7-3.2=m | m=3.5 | -4.7-(-6.2)=n | n=1.5 | 6.9-(-2.6)=o | o=9.5 | -12.6-4.9=p | p=-17.5 |
