四道:有理数的加减法混合运算..这类的数表示12分之五.这类型的..5/12希望你们能给我过程,这样我能理解些.(1) 2-5/12-5/18+1/12-7/18-42/17(2) (+11/3)+(-7.29)+(-5/2)+(-0.52)+(+7.29)+(+0.52)(3) -0.23+(-4.24)-(+1.21)-(
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/13 12:55:09
![四道:有理数的加减法混合运算..这类的数表示12分之五.这类型的..5/12希望你们能给我过程,这样我能理解些.(1) 2-5/12-5/18+1/12-7/18-42/17(2) (+11/3)+(-7.29)+(-5/2)+(-0.52)+(+7.29)+(+0.52)(3) -0.23+(-4.24)-(+1.21)-(](/uploads/image/z/607150-46-0.jpg?t=%E5%9B%9B%E9%81%93%EF%BC%9A%E6%9C%89%E7%90%86%E6%95%B0%E7%9A%84%E5%8A%A0%E5%87%8F%E6%B3%95%E6%B7%B7%E5%90%88%E8%BF%90%E7%AE%97..%E8%BF%99%E7%B1%BB%E7%9A%84%E6%95%B0%E8%A1%A8%E7%A4%BA12%E5%88%86%E4%B9%8B%E4%BA%94.%E8%BF%99%E7%B1%BB%E5%9E%8B%E7%9A%84..5%2F12%E5%B8%8C%E6%9C%9B%E4%BD%A0%E4%BB%AC%E8%83%BD%E7%BB%99%E6%88%91%E8%BF%87%E7%A8%8B%2C%E8%BF%99%E6%A0%B7%E6%88%91%E8%83%BD%E7%90%86%E8%A7%A3%E4%BA%9B.%281%29+2-5%2F12-5%2F18%2B1%2F12-7%2F18-42%2F17%282%29+%28%2B11%2F3%29%2B%28-7.29%29%2B%28-5%2F2%29%2B%28-0.52%29%2B%28%2B7.29%29%2B%28%2B0.52%29%283%29+-0.23%2B%28-4.24%29-%28%2B1.21%29-%28)
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