2
计算
1.3×0.5=
1.2×0.04=
1-0.8+0.9=
2.5×4=
0.32÷0.2=
1.9×0.3=
34.5÷10=
7.1+6.9=
30÷50=
0.2×1.7×5=
4.6÷4.6=
80.5÷5=
3.5×4=
9.9÷11=
0.25÷5=
35÷10=
0.17×4=
3.5×2=
12÷100=
3.2÷0.8=
3.6÷0.6=
1.4×5=
0.96÷48=
75÷3=
0.56×100=
0.14×4=
92÷4=
2.7÷10=
4.82-2.2=
56÷8=
7.3×20=
7÷0.5=
6.4×0.4=
4.8÷4=
9.6÷0.02=
4.5×4=
4.3+5=
0.34×0.2=
0.6+2.73=
3.9×0.2=
4.9+0.8=
0.09÷0.01=
6.9÷0.23=
0.36÷0.2=
0.3×0.3=
10.71+4=
4.2÷0.2=
5.2×0.5=
0.45×4=
70÷0.5=
1.2×0.09=
1-0.25=
1÷5=
4.7-0.8=
0.36÷2=
0÷9.5=
7.7÷10=
0.75÷0.15=
1÷0.4=

解析：这些题目主要考查小数的加减乘除四则运算。
答案：
1.3×0.5=0.65
1.2×0.04=0.048
1-0.8+0.9=1.1
2.5×4=10
0.32÷0.2=1.6
1.9×0.3=0.57
34.5÷10=3.45
7.1+6.9=14
30÷50=0.6
0.2×1.7×5=1.7
4.6÷4.6=1
80.5÷5=16.1
3.5×4=14
9.9÷11=0.9
0.25÷5=0.05
35÷10=3.5
0.17×4=0.68
3.5×2=7
12÷100=0.12
3.2÷0.8=4
3.6÷0.6=6
1.4×5=7
0.96÷48=0.02
75÷3=25
0.56×100=56
0.14×4=0.56
92÷4=23
2.7÷10=0.27
4.82-2.2=2.62
56÷8=7
7.3×20=146
7÷0.5=14
6.4×0.4=2.56
4.8÷4=1.2
9.6÷0.02=480
4.5×4=18
4.3+5=9.3
0.34×0.2=0.068
0.6+2.73=3.33
3.9×0.2=0.78
4.9+0.8=5.7
0.09÷0.01=9
6.9÷0.23=30
0.36÷0.2=1.8
0.3×0.3=0.09
10.71+4=14.71
4.2÷0.2=21
5.2×0.5=2.6
0.45×4=1.8
70÷0.5=140
1.2×0.09=0.108
1-0.25=0.75
1÷5=0.2
4.7-0.8=3.9
0.36÷2=0.18
0÷9.5=0
7.7÷10=0.77
0.75÷0.15=5
1÷0.4=2.5