0.37X2.8+3.7ⅹ0.72等于多少?
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0.37×2.8+3.7×0.72
=0.37×2.8+3.7×0.1×7.2
=0.37×2.8+0.37×7.2
=0.37×(2.8+7.2)
=0.37×10
=3.7
=0.37×2.8+3.7×0.1×7.2
=0.37×2.8+0.37×7.2
=0.37×(2.8+7.2)
=0.37×10
=3.7
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0.37×2.8+3.7×0.72
=0.37×2.8+0.37×7.2
=0.37×(2.8+7.2)
=0.37×10
=3.7
=0.37×2.8+0.37×7.2
=0.37×(2.8+7.2)
=0.37×10
=3.7
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0.37×2.8++0.37×7.2
=0.37×(2.8+7.2)
=0.37×10
=3.7
=0.37×(2.8+7.2)
=0.37×10
=3.7
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解:0.37×2.8+3.7×0.72
=0.37×2.8+0.37×7.2
=0.37(2.8+7.2)
=0.37×10
=3.7
=0.37×2.8+0.37×7.2
=0.37(2.8+7.2)
=0.37×10
=3.7
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