7.72减括号1.12加零点3×0点四括号简便方法计算

2024-11-24 04:00:33
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回答1:

7.72减括号1.12加零点3×0点四简便方法
7.72减括号1.12加零点3×0点四
=7.72-(1.12+0.3*0.4)
=7.72-1.12-0.12
=6.6-0.12
=6.48