27.15cm - 6.07cm =	cm
636 ÷ 6 =
204 × 0.5 =
5.35 - 3.15 =
17.213 + 2.144 =
6.310 - 4.983 =
25 × 18 =
7.3kg + 5.63kg =	kg
78.58m - 76.08m =	m
19.27cm + 10.78cm =	cm