同底数幂单元.例题:定义新运算,a⊙b=10^a×10^b...1.定义新运算,a⊙b=10^a×10^b,例如,2⊙3=10^2×10^3=10^5.请你想一想,(a⊙b)⊙c与a⊙(b⊙c)是否相等?2..一次水灾中,大约有2.3×10^6人无家可归.(1).若一
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![同底数幂单元.例题:定义新运算,a⊙b=10^a×10^b...1.定义新运算,a⊙b=10^a×10^b,例如,2⊙3=10^2×10^3=10^5.请你想一想,(a⊙b)⊙c与a⊙(b⊙c)是否相等?2..一次水灾中,大约有2.3×10^6人无家可归.(1).若一](/uploads/image/z/1626439-31-9.jpg?t=%E5%90%8C%E5%BA%95%E6%95%B0%E5%B9%82%E5%8D%95%E5%85%83.%E4%BE%8B%E9%A2%98%EF%BC%9A%E5%AE%9A%E4%B9%89%E6%96%B0%E8%BF%90%E7%AE%97%2Ca%E2%8A%99b%3D10%5Ea%C3%9710%5Eb...1.%E5%AE%9A%E4%B9%89%E6%96%B0%E8%BF%90%E7%AE%97%2Ca%E2%8A%99b%3D10%5Ea%C3%9710%5Eb%2C%E4%BE%8B%E5%A6%82%2C2%E2%8A%993%3D10%5E2%C3%9710%5E3%3D10%5E5.%E8%AF%B7%E4%BD%A0%E6%83%B3%E4%B8%80%E6%83%B3%2C%28a%E2%8A%99b%29%E2%8A%99c%E4%B8%8Ea%E2%8A%99%28b%E2%8A%99c%29%E6%98%AF%E5%90%A6%E7%9B%B8%E7%AD%89%3F2..%E4%B8%80%E6%AC%A1%E6%B0%B4%E7%81%BE%E4%B8%AD%2C%E5%A4%A7%E7%BA%A6%E6%9C%892.3%C3%9710%5E6%E4%BA%BA%E6%97%A0%E5%AE%B6%E5%8F%AF%E5%BD%92.%EF%BC%881%EF%BC%89.%E8%8B%A5%E4%B8%80)
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