赚现金
计算下面各题.能简便的用简便方法计算4.05÷0.5+10.7521.6÷0.8﹣1.2×56.8×2.7+2.7×3.28.4×6.9÷(6.44﹣4.14)0.38×1024.8×0.27+0.52×2.7.
试题篮