1、首先将2.9化为:3-0.1。
2、转换后:16-2.9×4.6=16-(3-0.1)×4.6
3、展开括号: =16-3×4.6 + 0.1×4.6
4、计算结果为:16-2.9×4.6 =16-(3-0.1)×4.6 =16-3×4.6 + 0.1×4.6 =2.66
1、首先将2.9化为:3-0.1。
2、转换后:16-2.9×4.6=16-(3-0.1)×4.6
3、展开括号: =16-3×4.6 + 0.1×4.6
4、计算结果为:16-2.9×4.6 =16-(3-0.1)×4.6 =16-3×4.6 + 0.1×4.6 =2.66