问题 解答题
0.9×6=1.5×0.4=0.15×0.3=
0.24×2=3.6×0.2=0.8×0.6=
1.7×0.2=0.15×4=0.23×0.3=
答案

0.9×6=5.4,1.5×0.4=0.6,0.15×0.3=0.045,
0.24×2=0.48,3.6×0.2=0.72,0.8×0.6=0.48,
1.7×0.2=0.34,0.15×4=0.6,0.23×0.3=0.069.

单项选择题 A3/A4型题
单项选择题