①1/4×5+6.5×25%-0.25×1.5 ②3.48×3/4+1.
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2016-03-23 · 知道合伙人教育行家
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①1/4×5+6.5×25%-0.25×1.5
=0.25x5+0.25x6.5-0.25x1.5
=0.25x(5+6.5-1.5)
=0.25x10
=2.5 ②3.48×3/4+1.52×75%
=3.48x0.75+1.52x0.75
=(3.48+1.52)x0.75
=5x0.75
=3.75
=0.25x5+0.25x6.5-0.25x1.5
=0.25x(5+6.5-1.5)
=0.25x10
=2.5 ②3.48×3/4+1.52×75%
=3.48x0.75+1.52x0.75
=(3.48+1.52)x0.75
=5x0.75
=3.75
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1)=0.25×(5+6.5-1.5)
=0.25×10
=2.5
2)=75%×(3.48+1.52)
=0.75×5
=3.75
=0.25×10
=2.5
2)=75%×(3.48+1.52)
=0.75×5
=3.75
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