
15.6x9.6 1.56チ7ᅧ90.25简便计算
2017-12-11 · 知道合伙人教育行家
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15.6x9.6+1.56÷0.25简便计算
=15.6x9.6+1.56x4
=15.6x9.6+15.6x0.4
=15.6x(9.6+0.4)
=15.6x10
=156
=15.6x9.6+1.56x4
=15.6x9.6+15.6x0.4
=15.6x(9.6+0.4)
=15.6x10
=156
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