Question

计算下面各题．6.54×1.2-1.873

计算下面各题．6.54×1.2-1.873.17+0.4×1.65.2×0.1×28.5．

Answer 1

（1）6.54×1.2-1.87， =7.848-1.87， =5.978， （2）3.17+0.4×1.6， =3.17+0.64， =3.81， （3）5.2×0.1×28.5， =0.52×28.5， =14.82．