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55×0.85+1.5×5.5
=5.5x8.5+1.5x5.5
=5.5x(8.5+1.5)
=5.5x10
=55
=5.5x8.5+1.5x5.5
=5.5x(8.5+1.5)
=5.5x10
=55
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2017-03-27
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55×0.85+1.8×5.5
=5.5×(10×0.85+1.8)
=5.5×10.3
=5.5×10+5.5×0.3
=55+1.65
=56.65
=5.5×(10×0.85+1.8)
=5.5×10.3
=5.5×10+5.5×0.3
=55+1.65
=56.65
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展开全部
55×0.85+1.8×5.5
=5.5×10×0.85+5.5×1.8
=5.5×8.5+5.5×1.8
=5.5×(8.5+1.8)
=5.5×10.3
=5.5×10+5.5×0.3
=55+1.65
=56.65
=5.5×10×0.85+5.5×1.8
=5.5×8.5+5.5×1.8
=5.5×(8.5+1.8)
=5.5×10.3
=5.5×10+5.5×0.3
=55+1.65
=56.65
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2017-03-27
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55*0.85+1.8*5.5
=55*0.85+1.8*55*0.1
=55*0.85+55*0.18
=55*(0.85+0.18)
=55*1.03
=56.65
=55*0.85+1.8*55*0.1
=55*0.85+55*0.18
=55*(0.85+0.18)
=55*1.03
=56.65
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