5元6角2分+3元零9分
( )+( )=( )元
10kg-4kg800g
( )-( )=( )kg
2t30kg+970kg
( )+( )=( )t
7km-2km860m
( )-( )=( )km
17.49+6.3= 20.6-16.8=
①67.73+39.67= ②★59-28.19=
1kg30g+680g 10t-8t350kg
①4m4dm-1m75cm
②15元6角9分+3元7分
7km-3km500m=km
3t 80 kg+860kg =t
4元7角3分+5元零8分=
7km- 2km760m=
9.36+1.7411 7.2-3.86+2.537.2+2.53-3.86
98.27-0.9998 10米6分米10.06米