题干
心算．
0.8×0.7=____
0.9×0.05=____
0.3×0.4=____
1.2×0.3=____
0.04×0.6=____
0.16×0.5=____
0.6×0.9=____
2.4×0.5=____
0.015×0.4=____
答案(点此获取答案解析）
0.56,0.045,0.12,0.36,0.024,0.08,0.54,1.2,0.006
