问题
填空题
把2.5+2.5+2.5+2.5改写成乘法算式是______．
答案
2.5+2.5+2.5+2.5是4个2.5相加，改写为乘法算式是2.5×4．
故答案为：2.5×4．
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把2.5+2.5+2.5+2.5改写成乘法算式是______．
2.5+2.5+2.5+2.5是4个2.5相加，改写为乘法算式是2.5×4．
故答案为：2.5×4．