内容正文:
练习(一)
1.95
×
9.8
=
8.88
×
3.85
=
2.93
×
6.68
=
4.79
×
0.52
=
7.79
×
5.55
=
1.01
×
1.03
=
3.47
×
3.58
=
4.21
×
3.63
=
1.96
×
2.17
=
8.87
×
8.73
=
0.94
×
4.35
=
0.02
×
9.09
=
练习(二)
2.83
×
4.82
=
0.7
×
0.39
=
1.5
×
7.5
=
5.75
×
4.31
=
9.58
×
2.51
=
7.13
×
5.47
=
6.58
×
3.32
=
0.28
×
2.91
=
8.92
×
2.01
=
3.6
×
7.22
=
1.27
×
6.04
=
2.56
×
6.29
=
练习(三)
9.57
×
5.27
=
2.4
×
0.69
=
5.16
×
2.64
=
0.04
×
9.32
=
4.55
×
7.94
=
9.7
×
6.24
=
9.73
×
9.99
=
9.16
×
5.54
=
1.86
×
4.7
=
5.15
×
1.03
=
0.29
×
7.96
=
0.17
×
9.25
=
练习(四)
7.74
×
3.14
=
8.14
×
7.39
=
9.02
×
1.91
=
5.3
×
1.75
=
0.24
×
5.84
=
0.64
×
3.38
=
6.39
×
0.48
=
9.73
×
9.39
=
0.76
×
9.63
=
0.29
×
6.66
=
9.23
×
4.23
=
5.24
×
5.84
=
练习(五)
4.67
×
4.53
=
0.01
×
1.82
=
6.97
×
7.31
=
1.41
×
5.66
=
4.08
×
3.45
=
3.6
×
1.52
=
1.87
×
3.23
=
7.06
×
0.3
=
1.27
×
1.08
=
5.32
×
0.06
=
4.07
×
5.44
=
7.24
×
9.98
=
练习(六)
0.67
×
9.1
=
1.62
×
5
=
4.62
×
2.96
=
8.84
×
0.28
=
0.75
×
0.95
=
7.59
×
2.67
=
5.5
×
4.48
=
6.86
×
3.06
=
3.75
×
0.65
=
2.51
×
4.94
=
1.7
×
3.66
=
7.62
×
5.53
=
练习(七)
0.09
×
3.38
=
3.72
×
5.29
=
9.69
×
4.72
=
3.84
×
8.19
=
7.3
×
3.84
=
5.45
×
9.71
=
7.9
×
4.41
=
5.06
×
7.27
=