有理数计算(要过程)(1)33.1-(22.9)+(10.5)(2)(-8)-(-15)+(-9)-(-12)(3)-2/3+(-1/6)-(-1/4)-1/2(4)3/5-3/2+(-11/4)+13/4
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![有理数计算(要过程)(1)33.1-(22.9)+(10.5)(2)(-8)-(-15)+(-9)-(-12)(3)-2/3+(-1/6)-(-1/4)-1/2(4)3/5-3/2+(-11/4)+13/4](/uploads/image/z/3811196-20-6.jpg?t=%E6%9C%89%E7%90%86%E6%95%B0%E8%AE%A1%E7%AE%97%28%E8%A6%81%E8%BF%87%E7%A8%8B%29%281%2933.1-%2822.9%29%2B%2810.5%29%282%29%28-8%29-%28-15%29%2B%28-9%29-%28-12%29%283%29-2%2F3%2B%28-1%2F6%29-%28-1%2F4%29-1%2F2%284%293%2F5-3%2F2%2B%28-11%2F4%29%2B13%2F4)
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有理数计算(要过程)(1)33.1-(22.9)+(10.5)(2)(-8)-(-15)+(-9)-(-12)(3)-2/3+(-1/6)-(-1/4)-1/2(4)3/5-3/2+(-11/4)+13/4
有理数计算(要过程)
(1)33.1-(22.9)+(10.5)
(2)(-8)-(-15)+(-9)-(-12)
(3)-2/3+(-1/6)-(-1/4)-1/2
(4)3/5-3/2+(-11/4)+13/4
有理数计算(要过程)(1)33.1-(22.9)+(10.5)(2)(-8)-(-15)+(-9)-(-12)(3)-2/3+(-1/6)-(-1/4)-1/2(4)3/5-3/2+(-11/4)+13/4
1.原式=10.2+10.5=20.7
2.原式=7+(-9)+12=-2+12=10