69.5×2.5+695×0.24+51怎么算?
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69.5×2.5+695×0.24+51
=69.5×2.5+69.5×2.4+51
=69.5×(2.5+2.4)+51
=69.5×4.9+51
=340.55+51
=391.55
希望能帮到你!
=69.5×2.5+69.5×2.4+51
=69.5×(2.5+2.4)+51
=69.5×4.9+51
=340.55+51
=391.55
希望能帮到你!
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展开全部
69.5×2.5+695×0.24+51
=69.5×2.5+69.5×10×0.24+69.5×0.1+44.05
=69.5×(2.5+10×0.24+0.1)+44.05
=69.5×5+44.05
=391.55
=69.5×2.5+69.5×10×0.24+69.5×0.1+44.05
=69.5×(2.5+10×0.24+0.1)+44.05
=69.5×5+44.05
=391.55
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