Tính nhanh: 58.75 + 58.50 – 58.25

Tính nhanh: 
a) 58.75 + 58.50 – 58.25
b) 27.39 + 27.63 – 2.27
c) 128.46 + 128.32 + 128.22
d) 66.25 + 5.66 + 66.14 + 33.66
e) 12.35 + 35.182 – 35.94
f) 35.23 + 35.41 + 64.65
g) 29.87 – 29.23 + 64.71
h) 48.19 + 48.115 + 134.52
i) 27.121 – 87.27 + 73.34
j) 125.98 – 125.46 – 52.25
k) 136.23 + 136.17 – 40.36
l) 17.93 + 116.83 + 17.23
m) 19.27 + 47.81 + 19.20
n) 87.23 + 13.93 + 70.87