0.92×54+0.46×92简便计算。递等式

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0.92×54+0.46×92简便计算。递等式
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0.92×54+0.46×92简便计算。递等式
0.92×54+0.46×92
简便计算。递等式

0.92×54+0.46×92简便计算。递等式
0.92×54+0.46×92
=92×0.54+0.46×92
=92×(0.54+0.46)
=92×1
=92

0.92×54+0.46×92
=0.92×54+46×0.92
=0.92x(54+46)
=0.92x100
=92

0.92×54+0.46×92
=0.92×54+46×0.92
=0.92×(54+46)
=0.92×100
=92

0.92×54+0.46×92
=0.92×(54+46)
=0.92×100
=92