问题
解答题
用简便方法计算：24.6×4.6+246×0.44+24.6．
答案
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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用简便方法计算：24.6×4.6+246×0.44+24.6．
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．