2222×17+3333×4+6666×9
7.68﹣3.56+2.32﹣5.44
1.25×3.2×0.25
(0.625×6.8+0.625×4.2﹣0.625)÷0.625
300÷0.125÷0.8
4000﹣1﹣2﹣3﹣…﹣77﹣78.
38.5×7.4+38.5×2.6 92.85﹣12.65﹣7.65+7.15 800﹣7.06×99﹣7.06
(48.5﹣15)×4.5+66.4×4.5 2004× (+)×15×17.
试题篮
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