29×50%+7×1/2怎么简算啊!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 21:02:41
![29×50%+7×1/2怎么简算啊!](/uploads/image/z/1071125-53-5.jpg?t=29%C3%9750%EF%BC%85%EF%BC%8B7%C3%971%2F2%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%E5%95%8A%21)
29×50%+7×1/2怎么简算啊!
29×50%+7×1/2怎么简算啊!
29×50%+7×1/2怎么简算啊!
29×50%+7×1/2
=29x0.5+7x0.5
=(29+7)x0.5
=36x0.5
=18
如果本题有什么不明白可以追问,
29×50%+7×1/2
=(29+7)×1/2
=36×1/2
=18
50%=1/2,懂了?
29×50%+7×1/2 (50%=1/2)
=29×1/2 +7×1/2
=(29+7)×1/2
=36×1/2
=18
望采纳