93-7.94×9.9-79.4×0.01怎么简便计算?
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解:93-7.94×9.9-79.4×0.01
=93-(7.94×9.9+79.4×0.01)
=93-(79.4×0.99+79.4×0.01)
=93-79.4×(0.99+0.01)
=93-79.4×1
=93-79.4
=13.6
=93-(7.94×9.9+79.4×0.01)
=93-(79.4×0.99+79.4×0.01)
=93-79.4×(0.99+0.01)
=93-79.4×1
=93-79.4
=13.6
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解:93-7.94×9.9-79.4×0.01
=93-(79.4×0.1)×9.9-79.4×0.01
=93-79.4×(0.1×9.9)-79.4×0.01
=93-79.4×0.99-79.4×0.01
=93-79.4×(0.99+0.1)
=93-79.4×1
=93-79.4
=13.6
=93-(79.4×0.1)×9.9-79.4×0.01
=93-79.4×(0.1×9.9)-79.4×0.01
=93-79.4×0.99-79.4×0.01
=93-79.4×(0.99+0.1)
=93-79.4×1
=93-79.4
=13.6
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93-7.94×9.9-79.4×0.01
=93-79.4×(0.99+0.01)
=93-79.4×1
=93-79.4
=13.6
=93-79.4×(0.99+0.01)
=93-79.4×1
=93-79.4
=13.6
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2021-01-30
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93-7.94×9.9-79.4×0.01
=93-[79.4×(0.99+0.01)]
=93-79.4
=13.6
=93-[79.4×(0.99+0.01)]
=93-79.4
=13.6
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93-(7.94x9.9+79.4x0.1x0.1)
93-(7.94x9.9+7.94x0.1)
93-7.94x(9.9+0.1)
93-7.94x10
93-79.4
13.6
以上就是计算过程,望采纳。
93-(7.94x9.9+7.94x0.1)
93-7.94x(9.9+0.1)
93-7.94x10
93-79.4
13.6
以上就是计算过程,望采纳。
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