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5.6X69.32+138.64x0.05+69.32x4.3用简便算法?

5.6×69.32+138.64×0.05+693.2×0.43 =5.6x69.32+69.32x0.1+69.32x4.3 =69.32x(5.6+0.1+4.3) =69.32x10 =693.2 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动...

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

5.6x69.32+138.64x0.05+693.2x0.43 =69.32x(5.6+2x0.05+10x0.43) =69.32x(5.6+0.1+4.3) =69.32x10 =693.2

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+138.64*0.05+693.2*0.43 =5.6*69.32+6.932+693.2*0.43 =56x6.932+6.932+6.932x43 =6.932x(56+43+1) =6.932x100 =693.2

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 =69.32*(5.6+2*0.05+10*0.43) =69.32*(5.6+0.1+4.3) =69.32*10 =693.2

5.6*69.35+138.64*0.05+693.2*0.43 =5.6x(69.32+0.03)+69.32x0.1+69.32x4.3 =5.6x69.32+5.6x0.03+69.32x(0.1+4.3) =5.6x69.32+0.168+69.32x4.4 =(5.6+4.4)x69.32+0.168 =10x69.32+0.168 =693.2+0.168 =693.368

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 =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

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

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