
1.1×17.6+3.3×08简便方法?
展开全部
1.1×17.6+3.3×08
【提取公因数1.1】
=1.1x(17.6+3x0.8)
=1.1x(17.6+2.4)
=1.1x20
=22
【提取公因数1.1】
=1.1x(17.6+3x0.8)
=1.1x(17.6+2.4)
=1.1x20
=22
展开全部
1.1X17.6+3.3X8
=1.1X8X2.2+3X1.1X8
=8.8X(2.2+3)
=8.8X5.2
=4.4X2(5+0.2)
=4.4X2X5+4.4X2X0.2
=44+44X0.2X0.2
=44+44X4X0.01
=44+176X0.01
=44+1.76
=45.76
=1.1X8X2.2+3X1.1X8
=8.8X(2.2+3)
=8.8X5.2
=4.4X2(5+0.2)
=4.4X2X5+4.4X2X0.2
=44+44X0.2X0.2
=44+44X4X0.01
=44+176X0.01
=44+1.76
=45.76
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