能简算的要简算.
57.5﹣4.25﹣15.75 ÷[×(+)] ×16.31﹣2.31÷
(54+)÷9 9.25×9.9+92.5% 36÷[(﹣)×3].
能简算的要简算.
57.5﹣4.25﹣15.75 ÷[×(+)] ×16.31﹣2.31÷
(54+)÷9 9.25×9.9+92.5% 36÷[(﹣)×3].
试题篮
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