简算 5.6*69.32+138.64*0.05+693.2*0.43过程一步也不要省略,OK?
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简算 5.6*69.32+138.64*0.05+693.2*0.43过程一步也不要省略,OK?
简算 5.6*69.32+138.64*0.05+693.2*0.43
过程一步也不要省略,OK?
简算 5.6*69.32+138.64*0.05+693.2*0.43过程一步也不要省略,OK?
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
=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
=388.192+6.932+298.067
=693.2
5.6*69.32+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*2*0.05+693.2*0.43
=5.6*69.32+69.32*0.1+693.2*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+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*0.1+69.32*4.3
=69.32*(5.6+4.3+0.1)
=69.32*10
=693.2