神机妙算:(+)×(﹣) ×+÷÷〔( ﹣)×3〕 (+)×12=
直接写得数.12×4= 35×3= 0.12×4=3.5×0.3= 0.12×0.4= 0.35×0.3=
6.7×1.2○1.2 3.7×0.65○3.74.2×0.6○4.2 0.8×1.4○0.83.85×9.5○3.85 9.4×2.5○9.40.9×0.9○0.95 5.43×0○5.433.5×5.3○5.3×3.5 4.8×0.999○4.8×1.011×0.95○0×1.22.
男孩一般每千克体重内含血液0.075千克,小雨体内含血液多少千克?
笔算下面各题.0.56×12=3.94×25=4.08×5=