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72×
0.81+
10.
47.06×
2.4-
5.
750.4×
1.9-
1.
83.76×
0.25+
25.
80.75×18÷
0.
152.07÷
0.23÷
0.
4521.36÷
0.8-
12.
97.28+
3.2÷
2.
51.08×
0.8÷
0.
272.05÷
0.82+
33.
644.28÷
0.9÷
4.
19.07-
22.78÷
3.
42.7×
0.8×
3.
412.3×
3.1+
5.
64.9×
3.2-
2.
536.4-
6.4×
5.3(
1.8-
1.5)×
159.8×
0.6-
1.2×
1.
23.87×4+
6.1316-
2.54×
6213.6÷
0.8÷
0.
316.06÷
5.5×
1.742×(
5.25÷
0.25)
6.48+
0.12÷
10.
80.6×(
2.7-
0.9)÷
0.24 (
9.18÷
1.7-
5.05)÷
0.35
5.4×〔(
2.73+
1.85)÷
2.29〕 (
3.6+
4.64-
1.2)÷4〕×
0.
118.5×
0.2÷
18.5×
0.
20.4×(1+
0.2-1+
0.2)÷
0.16 65+320÷(20-15)860-(48+12)×12(750+240)÷(
0.3×100)25×(40+4)
24.56-
8.2+
4.5688×99+
8820.5-
6.3×
3.7(
4.23+
6.17)×
0.
80.86×
15.7-
0.86×
14.
71.2×2+
2.4×102 。