
6.8x4.1十5.6X6.8用简便方法计算
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6.8x4.1十5.6X6.8用简便方法计算?
=6.8×(4.1+5.6)
=6.8×9.7
=6.8×(10-0.3)
=6.8×10-6.8×0.3
=68-2.04
=65.96
望采纳 谢谢~~
=6.8×(4.1+5.6)
=6.8×9.7
=6.8×(10-0.3)
=6.8×10-6.8×0.3
=68-2.04
=65.96
望采纳 谢谢~~
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