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1.25X5.6+2.25X4.4简便计算如何算

题目详情
1.25X5.6+2.25X4.4简便计算如何算
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答案和解析
1.25X5.6+2.25X4.4
=1.25X5.6+1.25X4.4+4.4
=1.25X10+4.4
=12.5+4.4
=16.9