来自陈成的问题
下面各题怎样简便怎样算.①0.91÷0.013×1.35÷O.O5②0.625×1.6+58×3.4③6.5×101.
下面各题怎样简便怎样算.
①0.91÷0.013×1.35÷O.O5
②0.625×1.6+58×3.4
③6.5×101.
1回答
2020-04-07 13:04
下面各题怎样简便怎样算.①0.91÷0.013×1.35÷O.O5②0.625×1.6+58×3.4③6.5×101.
下面各题怎样简便怎样算.
①0.91÷0.013×1.35÷O.O5
②0.625×1.6+58×3.4
③6.5×101.
①0.91÷0.013×1.35÷O.O5 =(0.91÷0.013)×(1.35÷O.O5 ),=70×27,=1890;②0.625×1.6+58×3.4 =0.625×1.6+0.625×3.4,=(1.6+3.4)×0.625,=5×...