5.678 + 8.745 =
14.42300
6.30 - 6.20
6.10
66.734 + 73.846 =
140.58
6.500 - 6.400
6.100 or 6.1
5.978 +.7899
6.7679
7.62 - 7.60
7.2
6.879 + 77.7
5.00 - 3.00
2 or 2.00
19.867 + 6 =
25.867
459.8743 - 375.9848
83.8895