用简便方法计算 4.56÷12.5÷0.8 3.2×10.1 38×99+38 7/15÷5+8/15×1/5 1-0.225÷0.9-0.75 65×65/662.5×3.2×12.5
问题描述:
用简便方法计算 4.56÷12.5÷0.8 3.2×10.1 38×99+38 7/15÷5+8/15×1/5 1-0.225÷0.9-0.75 65×65/66
2.5×3.2×12.5
答