问题 解答题
0.9×0.5=0.7×0.8=0.6×1.2=1.7×0.3=
0.1×9.2=0.4×1.3=0.7×1.1=3.1×0.9=
答案

0.9×0.5=0.450.7×0.8=0.560.6×1.2=0.721.7×0.3=0.51
0.1×9.2=0.920.4×1.3=0.520.7×1.1=0.773.1×0.9=2.79

单项选择题 A3/A4型题
单项选择题