12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做
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12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做12.5×0.4×2.5×80.87
12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做
12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做
12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做
12.5×0.4×2.5×80.87×3.16+4.649×101
=12.5×(0.4×2.5)×80.87×3.16+4.649×(100+1)
=12.5×1×80.87×3.16+464.9+4.649
=3660.914
12.5×0.4×2.5×80.87×3.16+4.649×101用简便方法怎么做
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