洋展购有假货吗:一道初一数学题 (5^3×15^-2)÷3^-2
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要过程的
(5^3×15^-2)÷3^-2
=125*(1/225)*9
=5
(5^3×15^-2)÷3^-2
=125*(1/225)*9
=5
(5^3×15^-2)÷3^-2
=125*(1/225)*9
=5
(5^3×15^-2)÷3^-2
=125*(1/225)*9
=5