0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?
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![0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?](/uploads/image/z/240044-68-4.jpg?t=0.87%E4%B9%98%E4%BB%A57.13%E5%8A%A08.7%E4%B9%98%E4%BB%A50.187%E5%8A%A00.87%E6%80%8E%E4%B9%88%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E7%AE%97%3F)
0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?
0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?
0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?
0.87乘以7.13加8.7乘以0.187加0.87
=0.87*7.13+0.87+1.87+0.87
=0.87*(7.13+1.87+1)
=0.87*10
=8.7
0.87乘以7.13加8.7乘以0.187加0.87怎么用简便方法算?
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9.99乘以22.2加33.3乘以3.34
9999乘以7加1111乘以37
26乘以187加169乘以2
111111乘以999999加999999乘以555555
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2000乘以1999减1999乘以1998加1998乘以1997减1997乘以1996,简算
五年级 0.15乘以0.8乘以12.5加8乘以3乘以0.125怎么简便算
52乘以76加47乘以76加76
1200乘以5加1800乘以15加2500乘以4加3000乘以2加5000除以27等于?
999乘以99加99
99乘以38加38.
1999乘以99加1999
20乘以20减19乘以19加18乘以18减17乘以17加...加2乘以2减1乘以1的结果
1/2003乘以2004加1/2005乘以2006加1/2007乘以2008加1/2008乘以2009