(1)1.80=1.8
0.250=0.25
703.050=703.05
17.000=17
60.0=60
80.040=80.04
(2)4.30=4.300
7.203=7.2030
0.090=0.09
(3)0.400=0.04
0.080=0.08
1.750=1.75
29.00=29
10.830=10.83
20.10=20.1
0.0350=0.035
80.040=80.04
(4)0.5400=0.540
30.6=30.600
80=80.000
1.0200=1.020
60.0=60.000
0.5040=0.504
3.60=3.600
8.0=8.000
1.20=1.200
0.6000=0.600
(5)2元5角=2.50元
7角=0.70元
1元零8分=1.08元
35元=35.00元
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