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用简便方法计算:24.6×4.6+246×0.44+24.6.
人气:263 ℃ 时间:2019-11-16 07:09:55
解答
24.6×4.6+246×0.44+24.6,
=24.6×4.6+24.6×4.4+24.6,
=24.6×(4.6+4.4+1),
=24.6×10,
=246.
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