137+209-42竖式计算并验算
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- 43x139竖式计算验算2025-02-26
- 47x210竖式计算,验算2025-02-26
- 790÷28列竖式并验算题2025-02-26
- 34x12竖式和验算2025-02-26
- 312x54竖式并验算2025-02-26
- 374+288竖式计算并验算2025-02-26
- 23x10竖式计算并验算2025-02-26
- 108+237列竖式计算,并验算2025-02-26
- 343÷5竖式计算并验算2025-02-26
- 576÷18列竖式并验算题2025-02-26