.5×4.4=2.5×4×1.1
或2.5×4.4=2.5×(4+0.4)=2.5×4+2.5×0.4
故答案为:2.4,4,1.1,2.5,4,2.5,0.4.
把2.5×4.4进行简算是: 2.5×4.4=_×_×_或_×_+_×_.
把2.5×4.4进行简算是:
2.5×4.4=______×______×______或______×______+______×______.
2.5×4.4=______×______×______或______×______+______×______.
数学人气:498 ℃时间:2020-02-05 17:49:54
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