10.54 km + 7.009 km = (a)   km

6.93 + 80.521 =

(a)  

36.584 + 6 + 0.732 =

(a)  

0.645 + 29.1 + 917.08 =

(a)  

100 + 59.2 + 1.603 =

(a)  

1.3 kg + 4.207 kg + 0.96 kg = (a)   kg

334 + 0.987 + 43.02 = 

(a)  

0.98 + (a)   = 6.735

(a)   + 37.012 = 40.1