计算下面这道题(要简算)5.6*69.32+138.64*0.05+693.2*0.43
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![计算下面这道题(要简算)5.6*69.32+138.64*0.05+693.2*0.43](/uploads/image/z/131085-45-5.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E8%BF%99%E9%81%93%E9%A2%98%28%E8%A6%81%E7%AE%80%E7%AE%97%295.6%2A69.32%2B138.64%2A0.05%2B693.2%2A0.43)
计算下面这道题(要简算)5.6*69.32+138.64*0.05+693.2*0.43
计算下面这道题(要简算)
5.6*69.32+138.64*0.05+693.2*0.43
计算下面这道题(要简算)5.6*69.32+138.64*0.05+693.2*0.43
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