8^10 x 5^22 = 2^8 x 2^22 x 5^22 = 256 x 10^22,也就是256後麵跟22個0,你說結果應該有幾位?!
8^10 x 5^22 = 2^8 x 2^22 x 5^22 = 256 x 10^22,也就是256後麵跟22個0,你說結果應該有幾位?!
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