4.3×9.9+0.48简便方法计算
第1个回答 2017-04-14
您好！
4.3x9.9+0.48
=4.3x9.9+0.1×（4.3+0.5）
=4.3x(9.9+0.1)+0.05
=4.3x10+0.05
=43.05
望采纳，谢谢！本回答被提问者采纳
4.3x9.9+0.48
=4.3x9.9+0.1×（4.3+0.5）
=4.3x(9.9+0.1)+0.05
=4.3x10+0.05
=43.05
望采纳，谢谢！本回答被提问者采纳
第2个回答 2017-04-14
4.3x9.9+0.48
=4.3x9.9+4.3x0.1+0.05
=4.3x(9.9+0.1)+0.05
=4.3x10+0.05
=43.05
=4.3x9.9+4.3x0.1+0.05
=4.3x(9.9+0.1)+0.05
=4.3x10+0.05
=43.05
