0.37×5.5-3.7×0.45的简便算法?
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0.37X5.5-3.7X0.45=0.37X5.5-0.37X10X0.45=0.37X(5.5-10X0.45)=0.37X1=0.37
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原式=0.37×5.5–0.37×4.5
=0.37×(5.5–4.5)
=0.37×1
=0.37
=0.37×(5.5–4.5)
=0.37×1
=0.37
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答:
0.37×5.5-3.7×0.45
=0.37×5.5-0.37×4.5
=0.37×(5.5-4.5)
=0.37×1
=0.37
0.37×5.5-3.7×0.45
=0.37×5.5-0.37×4.5
=0.37×(5.5-4.5)
=0.37×1
=0.37
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0.37*5.5-3.7*0.45
=0.37*(5.5-4.5)
=0.37*1
=0.37
=0.37*(5.5-4.5)
=0.37*1
=0.37
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0.37×5.5-3.7×0.45
=3.7×0.55-3.7×0.45
=3.7×(0.55-0.45)
=3.7×0.1
=0.37
=3.7×0.55-3.7×0.45
=3.7×(0.55-0.45)
=3.7×0.1
=0.37
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