
0.56乘3.2加5.6乘0.48加56乘0.02怎么简便计算
1个回答
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原式
=5.6x0.32+5.6x0.48+5.6x0.2
=5.6x(0.32+0.48+0.2)
=5.6x(0.8+0.2)
=5.6x1
=5.6
=5.6x0.32+5.6x0.48+5.6x0.2
=5.6x(0.32+0.48+0.2)
=5.6x(0.8+0.2)
=5.6x1
=5.6
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