怎样简便计算0.6666*0.8+0.1111*5.2
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![怎样简便计算0.6666*0.8+0.1111*5.2](/uploads/image/z/1032208-16-8.jpg?t=%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%970.6666%2A0.8%2B0.1111%2A5.2)
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怎样简便计算0.6666*0.8+0.1111*5.2
怎样简便计算0.6666*0.8+0.1111*5.2
怎样简便计算0.6666*0.8+0.1111*5.2
0.6666*0.8+0.1111*5.2
=0.1111*6*0.8+0.1111*5.2
=0.1111*4.8+0.1111*5.2
=0.1111*(4.8+5.2)
=0.1111*10
=1.111
0.6666×0.8+0.1111×5.2
=0.1111×6×0.8+0.1111×5.2
=0.1111×4.8+0.1111×5.2
=0.1111×(4.8+5.2)
=0.1111×10
=1.111