计算并验算 54+(85-43)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 03:35:07
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计算并验算 54+(85-43)
计算并验算 54+(85-43)
计算并验算 54+(85-43)
54+(85-43)
=54+42
=96
验算:96-(85-43)
=96-42
=54
54+(85-43)=54+42=96
验算:96-(85-43)=96-42=54
54