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12.88%是怎么算出來(lái)的 我都忘了怎么開(kāi)根號(hào)
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速問(wèn)速答學(xué)員你好,計(jì)算如下
0.32-0.19=0.13
0.17-0.19=-0.02
-0.03-0.19=-0.22
0.13*0.13*0.4=0.00676
(-0.02)*(-0.02)*0.4=0.00016
(-0.22)*(-0.22)*0.2=0.00968
0.00676+0.00016+0.00968=0.0166
0.0166開(kāi)根號(hào)
2022 08/18 12:08
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