用简便方法的计算题、 类型为:百分比的应用简便方法.一定要简便方法!2.8*1.25-一1四分之一+8.2*125%2000*(10%+1%+0.1%)八分之三*65%-0.65*3+2.625%*65
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![用简便方法的计算题、 类型为:百分比的应用简便方法.一定要简便方法!2.8*1.25-一1四分之一+8.2*125%2000*(10%+1%+0.1%)八分之三*65%-0.65*3+2.625%*65](/uploads/image/z/4328627-59-7.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E7%9A%84%E8%AE%A1%E7%AE%97%E9%A2%98%E3%80%81+%E7%B1%BB%E5%9E%8B%E4%B8%BA%EF%BC%9A%E7%99%BE%E5%88%86%E6%AF%94%E7%9A%84%E5%BA%94%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95.%E4%B8%80%E5%AE%9A%E8%A6%81%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%212.8%2A1.25-%E4%B8%801%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%80%2B8.2%2A125%252000%2A%2810%25%2B1%25%2B0.1%25%29%E5%85%AB%E5%88%86%E4%B9%8B%E4%B8%89%2A65%25-0.65%2A3%2B2.625%25%2A65)
用简便方法的计算题、 类型为:百分比的应用简便方法.一定要简便方法!2.8*1.25-一1四分之一+8.2*125%2000*(10%+1%+0.1%)八分之三*65%-0.65*3+2.625%*65
用简便方法的计算题、 类型为:百分比的应用
简便方法.一定要简便方法!
2.8*1.25-一1四分之一+8.2*125%
2000*(10%+1%+0.1%)
八分之三*65%-0.65*3+2.625%*65
用简便方法的计算题、 类型为:百分比的应用简便方法.一定要简便方法!2.8*1.25-一1四分之一+8.2*125%2000*(10%+1%+0.1%)八分之三*65%-0.65*3+2.625%*65
(1)1.25*(2.8-1+8.2)=1.25*10=12.5
(2)2000*10%+2000*1%+2000*0.1%=200+20+2=222
(3)3/8*0.65-0.65*3+2.625%*0.65*100=0.65*(3/8-3+2.625%*100)=0.65*0=0