简便计算:5.6×69.32+138.64×0.05+693.2×0.43 30
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5.6×69.32+138.64×0.05+693.2×0.43
=5.6×69.32+69.32×2×0.05+69.32×10×0.43
=5.6×69.32+69.32×0.1+69.32×4.3
=(5.6+0.1+4.3)×69.32
=10×69.32
=693.2
=5.6×69.32+69.32×2×0.05+69.32×10×0.43
=5.6×69.32+69.32×0.1+69.32×4.3
=(5.6+0.1+4.3)×69.32
=10×69.32
=693.2
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5.6*69.32+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*2*0.05+69.32*4.3
=5.6*69.32+69.32*0.1+69.32*4.3
=(5.6+0.1+4.3)*69.32
=10*69.32
=693.2
=5.6*69.32+69.32*2*0.05+69.32*4.3
=5.6*69.32+69.32*0.1+69.32*4.3
=(5.6+0.1+4.3)*69.32
=10*69.32
=693.2
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你好:
5.6×69.32+138.64×0.05+693.2×0.43
=5.6×69.32+69.32×0.1+69.32×4.3
=69.32×(5.6+0.1+4.3)
=69.32×10
=693.2
5.6×69.32+138.64×0.05+693.2×0.43
=5.6×69.32+69.32×0.1+69.32×4.3
=69.32×(5.6+0.1+4.3)
=69.32×10
=693.2
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.6×69.32+138.64×0.05+693.2×0.43
=5.6×69.32+69.32×(2×0.05)+(69.32×10×0.43)
=5.6×69.32+69.32×0.1+69.32×4.3
=(5.6+0.1+4.3)×69.32
=10×69.32
=693.2
=5.6×69.32+69.32×(2×0.05)+(69.32×10×0.43)
=5.6×69.32+69.32×0.1+69.32×4.3
=(5.6+0.1+4.3)×69.32
=10×69.32
=693.2
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