题目内容
递等式计算
522-322÷7
(700-621)×68
876+981÷9.
522-322÷7
(700-621)×68
876+981÷9.
522-322÷7
=522-46,
=476;
(700-621)×68
=79×68,
=5372;
876+981÷9
=876+109,
=985.
=522-46,
=476;
(700-621)×68
=79×68,
=5372;
876+981÷9
=876+109,
=985.
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