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5.6X69.32+138.64X0.05+693.2X0.43简算写主要过程
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5.6X69.32+138.64X0.05+693.2X0.43简算写主要过程
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5.6X69.32+138.64X0.05+693.2X0.43
=5.6×69.32+69.32×4.3+138.64×0.05
=(5.6+4.3)×69.32+69.32×2×0.05
=10×69.32+69.32+0.1
=693.2+6.932
=693.2+6.8+0.132
=700+0.132
=700.132
=5.6×69.32+69.32×4.3+138.64×0.05
=(5.6+4.3)×69.32+69.32×2×0.05
=10×69.32+69.32+0.1
=693.2+6.932
=693.2+6.8+0.132
=700+0.132
=700.132
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