求5/9 × 79又16/17 + 50×1/9 +1/9 × 5/17=?的简便计算,谢谢!希望各位能给我一个准确的答案,我将感激不尽!但是不乱输答案!谢谢配合
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 06:34:15
![求5/9 × 79又16/17 + 50×1/9 +1/9 × 5/17=?的简便计算,谢谢!希望各位能给我一个准确的答案,我将感激不尽!但是不乱输答案!谢谢配合](/uploads/image/z/66478-22-8.jpg?t=%E6%B1%825%EF%BC%8F9+%C3%97+79%E5%8F%8816%EF%BC%8F17+%2B+50%C3%971%EF%BC%8F9+%2B1%EF%BC%8F9+%C3%97+5%EF%BC%8F17%3D%3F%E7%9A%84%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C%E8%B0%A2%E8%B0%A2%21%E5%B8%8C%E6%9C%9B%E5%90%84%E4%BD%8D%E8%83%BD%E7%BB%99%E6%88%91%E4%B8%80%E4%B8%AA%E5%87%86%E7%A1%AE%E7%9A%84%E7%AD%94%E6%A1%88%2C%E6%88%91%E5%B0%86%E6%84%9F%E6%BF%80%E4%B8%8D%E5%B0%BD%21%E4%BD%86%E6%98%AF%E4%B8%8D%E4%B9%B1%E8%BE%93%E7%AD%94%E6%A1%88%21%E8%B0%A2%E8%B0%A2%E9%85%8D%E5%90%88)
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求5/9 × 79又16/17 + 50×1/9 +1/9 × 5/17=?的简便计算,谢谢!希望各位能给我一个准确的答案,我将感激不尽!但是不乱输答案!谢谢配合
求5/9 × 79又16/17 + 50×1/9 +1/9 × 5/17=?的简便计算,谢谢!
希望各位能给我一个准确的答案,我将感激不尽!但是不乱输答案!谢谢配合
求5/9 × 79又16/17 + 50×1/9 +1/9 × 5/17=?的简便计算,谢谢!希望各位能给我一个准确的答案,我将感激不尽!但是不乱输答案!谢谢配合
5/9 × 79又16/17 + 50×1/9 +1/9 × 5/17
=5/9 × 79又16/17 + 10×5/9 +5/9 ×1/17
=5/9×(79又16/17+10+1/17)
=5/9×90
=50
九分之五×79又十七分之十六+五十×九分之一+九分之一×十七分之五
=79×5/9 +5/9×16/17 +50×1/9 +1/9×5/17
=79×5/9 +10×5/9 +1/9×80/17 +1/9×5/17
=(79+10)×5/9+1/9×(80/17+5/17)
=(89)×5/9+1/9×85/17
=(89)×5/9+5/9
=(89+1)×5/9
=90×5/9
=50