怎样简便计算3.6*14.4+9.3*32+3.21*36
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![怎样简便计算3.6*14.4+9.3*32+3.21*36](/uploads/image/z/186149-29-9.jpg?t=%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%973.6%2A14.4%2B9.3%2A32%2B3.21%2A36)
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怎样简便计算3.6*14.4+9.3*32+3.21*36
怎样简便计算3.6*14.4+9.3*32+3.21*36
怎样简便计算3.6*14.4+9.3*32+3.21*36
3.6*14.4+9.3*32+3.21*36
=3.6*14.4+32.1*3.6+9.3*32
=3.6*(14.4+32.1)+9.3*32
=3.6*46.5+9.3*32
=3.6*5*9.3+9.3*32
=9.3*(18+32)
=9.3*50
=465
3.6*14.4+9.3*32+3.21*36
=3.6(14.4+32.1)+9.3*32
=3.6*46.5+9.3*32
=3.6*9.3*5+9.3*32
=9.3(3.6*5+32)
=9.3(18+32)
=9.3*50
=465