题目内容
（1）
-
=
（2）1÷1.25=
（3）2.62×3.8≈（按四舍五入法，把得数凑整到百分位）
解：（1）-=
；
（2）1÷1.25=0.8；
（3）2.62×3.8≈9.96．
故答案为：，0.8，9.96．
分析：本题根据分数减法、小数乘法与除法的计算法则计算即可．
点评：完成算式（3）取近似值时要注意括号中的要求．
-=；（2）1÷1.25=0.8；
（3）2.62×3.8≈9.96．
故答案为：
，0.8，9.96．分析：本题根据分数减法、小数乘法与除法的计算法则计算即可．
点评：完成算式（3）取近似值时要注意括号中的要求．
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