Question

4.56×10.3-45.6×0.03简便计算？

Answer 1

4.56×10.3-45.6×0.03
=4.56×10.3-4.56×0.3
=4.56×（10.3-0.3）
=4.56×10
=45.6

Answer 2

4.56×10.3-45.6×0.03 把45.6拆分成4.56×10
=4.56×10.3-4.56×10×0.03
=4.56×10.3-4.56×0.3 提取公因式4.56得
=4.56×（10.3-0.3）
=4.56×10
=45.6