用简便方法计祘8.76×9.9+18.76
发布网友
发布时间：2024-10-23 08:34
共3个回答
热心网友
时间：2024-10-23 15:25
用简便方法计祘8.76×9.9+18.76
=8.76x（9.9+1）+10
=8.76x11-8.76x0.1+10
=87.6+8.76-0.876+10
=96.36+10-0.876
=106.36-1+0.124
=105.484
热心网友
时间：2024-10-23 15:20
8.76×9.9+18.76 =8.76*10-8.76*0.1+18.76=105.484
热心网友
时间：2024-10-23 15:22
8.76x9.9+18.76
=8.76x(10-0.1)+18.76
=8.76x10-8.76x0.1+18.76
=87.6+18.76-0.876
=106.36-(1-0.124)
=106.36-1+0.124
=105.36+0.124
=105.484
谢谢，请采纳
