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16.6÷5.5x1.7脱式计算.

98.5一14.82÷7.6x3.2 =98.5-1.95×3.2 =98.5-6.24 =92.26

5.5x2.3+1.7x5.5 =5.5x(2.3+1.7) =5.5x4 =22 朋友,请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

45-(710-1320)+910-(16+23),=45-120+910-56,=34+910-56,=3320-56,=4960.

3.25÷(0.25x3.2+1.7) =13/4×4×5/16+13/4×17/10 =65/16+221/40 =383/40

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