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7.63*5.4+6.37*5.4-17.5*5.35*0.8 简便计算

来源:学生作业帮 编辑:神马作文网作业帮 分类:综合作业 时间:2024/11/13 00:34:26
7.63*5.4+6.37*5.4-17.5*5.35*0.8 简便计算
7.63*5.4+6.37*5.4-17.5*5.35*0.8 简便计算
7.63*5.4+6.37*5.4-17.5*5.35*0.8
=5.4*(7.63+6.37)-14*5.35
=5.4*14-14*5.35
=14*(5.4-5.35)
=14*0.05
=0.7