用简便方法8\/13÷1\/7+1\/7×1\/7×5\/13
如图
8\/13除7+1\/7乘5\/13等于多少
8\/13除7+1\/7乘5\/13 =8\/13乘以1\/7+1\/7乘以5\/13 =(8\/13+5\/13)乘以1\/7 =1乘以1\/7 =1\/7
十三分之八除以七加七分之一乘十三分之五的简便计算
8\/13÷7+1\/7×5\/13 =8\/13×1\/7+1\/7×5\/13 =(8\/13+5\/13)×1\/7 =1\/7
8\/13÷7+1\/7×5\/13(简算)
8\/13÷7+1\/7×5\/13 =8\/13x1\/7+1\/7×5\/13 =1\/7x(8\/13+5\/13)=1\/7x1 =1\/7 ~如果你认可我的回答,请及时点击【采纳为满意回答】按钮~~手机提问者在客户端右上角评价点【满意】即可。~你的采纳是我前进的动力~~~如还有新的问题,请不要追问的形式发送,另外发问题并向我求助或在...
简便计算:8\/13除于7+1\/7乘5\/13 很急啊
8\/13除以7+1\/7*5\/13=8\/13*1\/7+1\/7*5\/13=8\/91+5\/91=13\/91=1\/7
8\/13除7加1\/7乘5\/13简便算法怎么写
8\/13÷7+1\/7×5\/13 =8\/13×1\/7+1\/7×5\/13 =1\/7×(8\/13+5\/13)=1\/7×13\/13 =1\/7
8\/13÷7+1\/7×5\/13=?简便计算
8\/13÷7+1\/7×5\/13 =8\/13x1\/7+1\/7x5\/13 =(8\/13+5\/13)x1\/7 =1x1\/7 =1\/7
13分之8除7+7分之1乘13分之5怎么做?
8\/13除以7+1\/7乘以5\/13 =8\/13乘以1\/7+1\/7乘以5\/13 =1\/7*(8\/13+5\/13)=1\/7*1=1\/7 1\/2x=10*1\/5 1\/2x=2 x=4
怎样算简便就怎样算;8\/13除以7+1\/7乘以6\/13=
8\/13除以7+1\/7乘以6\/13 =8\/13×1\/7+1\/7×6\/13 =1\/7×(8\/13+6\/13)=1\/7×14\/13 =2\/13