The value of 30.5 - 30.4 + 30.3 - 30.2 + 30.1 - 30 + 29.9 - 29.8 + 29.7 - 29.6
+ 29.5 - 29.4 + 29.3 - 29.2 + 29.1 - 29.0 = __________.
A 0.8
B 0.7
C 0.6
D 1.8
The value of 30.5 - 30.4 + 30.3 - 30.2 + 30.1 - 30 + 29.9 - 29.8 + 29.7 - 29.6
+ 29.5 - 29.4 + 29.3 - 29.2 + 29.1 - 29.0 = __________.
A 0.8
B 0.7
C 0.6
D 1.8