来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/13 23:44:43
谢谢
解题思路: 拆项法可解
解题过程:
解:35.4×44.2-35.3×44.3
=35.4×44.2-35.3×(44.2+0.1)
=35.4×44.2-35.3×44.2-35.3×0.1
=44.2×(35.4-35.3)-35.3×0.1
=44.2×0.1-35.3×0.1
=(44.2-35.3)×0.1
=0.89;
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最终答案:略