小马虎在计算“60+□÷5”时,先算了加法,后算除法,这样计算的结果比正确的结果相差______

2025-05-22 14:04:44
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回答(1):

60+□÷5,先算了加法,后算除法,是:
(60+□)÷5,
=60÷5+□÷5
=12+□÷5;
(60+□÷5)-(12+□÷5)
=60+□÷5-12-□÷5
=(60-12)+(□÷5-□÷5)
=48+0
=48.
结果与正确的结果相差48.
故答案为:48.