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5.6X69.32+138.64x0.05+69.32x4.3用简便算法?

5.6X69.32+138.64x0.05+69.32x4.3 =5.6×69.32+69.32×2×0.05+69.32×4.3 =69.32×(5.6+0.1+4.3) =69.32×10 =693.2 帮助你就是我的快乐,数学辅导团祝你学习进步,不理解请追问,理解请及时采纳!(*^__^*)

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 =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*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*2*0.05+69.32*10*0.43 =69.32*(5.6+2*0.05+10*0.43) =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

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

原式 =5.6x69.32+69.32x2x0.05+69.32x10x0.43 =5.6x69.32+69.32x0.1+69.32x4.3 =(5.6+0.1+4.3)x69.32 =10x69.32 =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

5.6x69.32+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

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